Список ниже содержит подборку MIME-типов для различных форматов файлов.
Некоторые расширения могут иметь различные MIME-типы, в зависимости от сервера.
| Расширение | MIME Тип | Название |
| .123 | application/vnd.lotus-1-2-3 | Lotus 1-2-3 |
| .3dm | x-world/x-3dmf | |
| .3dmf | x-world/x-3dmf | |
| .3dml | text/vnd.in3d.3dml | In3D - 3DML |
| .3g2 | video/3gpp2 | 3GP2 |
| .3gp | video/3gpp | 3GP |
| .7z | application/x-7z-compressed | 7-Zip |
| .a | application/octet-stream | |
| .aab | application/x-authorware-bin | Adobe (Macropedia) Authorware - Binary File |
| .aab | application/x-authorware-bin | |
| .aac | audio/x-aac | Advanced Audio Coding (AAC) |
| .aam | application/x-authorware-map | Adobe (Macropedia) Authorware - Map |
| .aam | application/x-authorware-map | |
| .aas | application/x-authorware-seg | Adobe (Macropedia) Authorware - Segment File |
| .aas | application/x-authorware-seg | |
| .abc | text/vnd.abc | |
| .abw | application/x-abiword | AbiWord |
| .ac | application/pkix-attr-cert | Attribute Certificate |
| .acc | application/vnd.americandynamics.acc | Active Content Compression |
| .ace | application/x-ace-compressed | Ace Archive |
| .acgi | text/html | |
| .acu | application/vnd.acucobol | ACU Cobol |
| .adp | audio/adpcm | Adaptive differential pulse-code modulation |
| .aep | application/vnd.audiograph | Audiograph |
| .afl | video/animaflex | |
| .afp | application/vnd.ibm.modcap | MO:DCA-P |
| .ahead | application/vnd.ahead.space | Ahead AIR Application |
| .ai | application/postscript | PostScript |
| .ai | application/postscript | |
| .aif | audio/x-aiff | Audio Interchange File Format |
| .aif | audio/aiff | |
| .aif | audio/x-aiff | |
| .aifc | audio/aiff | |
| .aifc | audio/x-aiff | |
| .aiff | audio/aiff | |
| .aiff | audio/x-aiff | |
| .aim | application/x-aim | |
| .aip | text/x-audiosoft-intra | |
| .air | application/vnd.adobe.air-application-installer-package+zip | Adobe AIR Application |
| .ait | application/vnd.dvb.ait | Digital Video Broadcasting |
| .ami | application/vnd.amiga.ami | AmigaDE |
| .ani | application/x-navi-animation | |
| .aos | application/x-nokia-9000-communicator-add-on-software | |
| .apk | application/vnd.android.package-archive | Android Package Archive |
| .application | application/x-ms-application | Microsoft ClickOnce |
| .apr | application/vnd.lotus-approach | Lotus Approach |
| .aps | application/mime | |
| .arc | application/octet-stream | |
| .arj | application/arj | |
| .arj | application/octet-stream | |
| .art | image/x-jg | |
| .asf | video/x-ms-asf | Microsoft Advanced Systems Format (ASF) |
| .asf | video/x-ms-asf | |
| .asm | text/x-asm | |
| .aso | application/vnd.accpac.simply.aso | Simply Accounting |
| .asp | text/asp | |
| .asx | application/x-mplayer2 | |
| .asx | video/x-ms-asf | |
| .asx | video/x-ms-asf-plugin | |
| .atc | application/vnd.acucorp | ACU Cobol |
| .atom, .xml | application/atom+xml | Atom Syndication Format |
| .atomcat | application/atomcat+xml | Atom Publishing Protocol |
| .atomsvc | application/atomsvc+xml | Atom Publishing Protocol Service Document |
| .atx | application/vnd.antix.game-component | Antix Game Player |
| .au | audio/basic | Sun Audio - Au file format |
| .au | audio/basic | |
| .au | audio/x-au | |
| .avi | video/x-msvideo | Audio Video Interleave (AVI) |
| .avi | application/x-troff-msvideo | |
| .avi | video/avi | |
| .avi | video/msvideo | |
| .avi | video/x-msvideo | |
| .avs | video/avs-video | |
| .aw | application/applixware | Applixware |
| .azf | application/vnd.airzip.filesecure.azf | AirZip FileSECURE |
| .azs | application/vnd.airzip.filesecure.azs | AirZip FileSECURE |
| .azw | application/vnd.amazon.ebook | Amazon Kindle eBook format |
| .bcpio | application/x-bcpio | Binary CPIO Archive |
| .bcpio | application/x-bcpio | |
| .bdf | application/x-font-bdf | Glyph Bitmap Distribution Format |
| .bdm | application/vnd.syncml.dm+wbxml | SyncML - Device Management |
| .bed | application/vnd.realvnc.bed | RealVNC |
| .bh2 | application/vnd.fujitsu.oasysprs | Fujitsu Oasys |
| .bin | application/octet-stream | |
| .bin | application/mac-binary | |
| .bin | application/macbinary | |
| .bin | application/octet-stream | |
| .bin | application/x-binary | |
| .bin | application/x-macbinary | |
| .bm | image/bmp | |
| .bmi | application/vnd.bmi | BMI Drawing Data Interchange |
| .bmp | image/bmp | Bitmap Image File |
| .bmp | image/bmp | |
| .bmp | image/x-windows-bmp | |
| .boo | application/book | |
| .book | application/book | |
| .box | application/vnd.previewsystems.box | Preview Systems ZipLock/VBox |
| .boz | application/x-bzip2 | |
| .bsh | application/x-bsh | |
| .btif | image/prs.btif | BTIF |
| .bz | application/x-bzip | Bzip Archive |
| .bz | application/x-bzip | |
| .bz2 | application/x-bzip2 | Bzip2 Archive |
| .bz2 | application/x-bzip2 | |
| .c | text/x-c | C Source File |
| .c | text/plain | |
| .c | text/x-c | |
| .c++ | text/plain | |
| .c11amc | application/vnd.cluetrust.cartomobile-config | ClueTrust CartoMobile - Config |
| .c11amz | application/vnd.cluetrust.cartomobile-config-pkg | ClueTrust CartoMobile - Config Package |
| .c4g | application/vnd.clonk.c4group | Clonk Game |
| .cab | application/vnd.ms-cab-compressed | Microsoft Cabinet File |
| .car | application/vnd.curl.car | CURL Applet |
| .cat | application/vnd.ms-pki.seccat | Microsoft Trust UI Provider - Security Catalog |
| .cat | application/vnd.ms-pki.seccat | |
| .cc | text/plain | |
| .cc | text/x-c | |
| .ccad | application/clariscad | |
| .cco | application/x-cocoa | |
| .ccxml | application/ccxml+xml, | Voice Browser Call Control |
| .cdbcmsg | application/vnd.contact.cmsg | CIM Database |
| .cdf | application/cdf | |
| .cdf | application/x-cdf | |
| .cdf | application/x-netcdf | |
| .cdkey | application/vnd.mediastation.cdkey | MediaRemote |
| .cdmia | application/cdmi-capability | Cloud Data Management Interface (CDMI) - Capability |
| .cdmic | application/cdmi-container | Cloud Data Management Interface (CDMI) - Contaimer |
| .cdmid | application/cdmi-domain | Cloud Data Management Interface (CDMI) - Domain |
| .cdmio | application/cdmi-object | Cloud Data Management Interface (CDMI) - Object |
| .cdmiq | application/cdmi-queue | Cloud Data Management Interface (CDMI) - Queue |
| .cdx | chemical/x-cdx | ChemDraw eXchange file |
| .cdxml | application/vnd.chemdraw+xml | CambridgeSoft Chem Draw |
| .cdy | application/vnd.cinderella | Interactive Geometry Software Cinderella |
| .cer | application/pkix-cert | Internet Public Key Infrastructure - Certificate |
| .cer | application/pkix-cert | |
| .cer | application/x-x509-ca-cert | |
| .cgm | image/cgm | Computer Graphics Metafile |
| .cha | application/x-chat | |
| .chat | application/x-chat | pIRCh |
| .chat | application/x-chat | |
| .chm | application/vnd.ms-htmlhelp | Microsoft Html Help File |
| .chrt | application/vnd.kde.kchart | KDE KOffice Office Suite - KChart |
| .cif | chemical/x-cif | Crystallographic Interchange Format |
| .cii | application/vnd.anser-web-certificate-issue-initiation | ANSER-WEB Terminal Client - Certificate Issue |
| .cil | application/vnd.ms-artgalry | Microsoft Artgalry |
| .cla | application/vnd.claymore | Claymore Data Files |
| .class | application/java-vm | Java Bytecode File |
| .class | application/java | |
| .class | application/java-byte-code | |
| .class | application/x-java-class | |
| .clkk | application/vnd.crick.clicker.keyboard | CrickSoftware - Clicker - Keyboard |
| .clkp | application/vnd.crick.clicker.palette | CrickSoftware - Clicker - Palette |
| .clkt | application/vnd.crick.clicker.template | CrickSoftware - Clicker - Template |
| .clkw | application/vnd.crick.clicker.wordbank | CrickSoftware - Clicker - Wordbank |
| .clkx | application/vnd.crick.clicker | CrickSoftware - Clicker |
| .clp | application/x-msclip | Microsoft Clipboard Clip |
| .cmc | application/vnd.cosmocaller | CosmoCaller |
| .cmdf | chemical/x-cmdf | CrystalMaker Data Format |
| .cml | chemical/x-cml | Chemical Markup Language |
| .cmp | application/vnd.yellowriver-custom-menu | CustomMenu |
| .cmx | image/x-cmx | Corel Metafile Exchange (CMX) |
| .cod | application/vnd.rim.cod | |
| .com | application/octet-stream | |
| .com | text/plain | |
| .conf | text/plain | |
| .cpio | application/x-cpio | CPIO Archive |
| .cpio | application/x-cpio | |
| .cpp | text/x-c | |
| .cpt | application/mac-compactpro | Compact Pro |
| .cpt | application/mac-compactpro | |
| .cpt | application/x-compactpro | |
| .cpt | application/x-cpt | |
| .crd | application/x-mscardfile | Microsoft Information Card |
| .crl | application/pkix-crl | Internet Public Key Infrastructure - Certificate Revocation Lists |
| .crl | application/pkcs-crl | |
| .crl | application/pkix-crl | |
| .crt | application/pkix-cert | |
| .crt | application/x-x509-ca-cert | |
| .crt | application/x-x509-user-cert | |
| .cryptonote | application/vnd.rig.cryptonote | CryptoNote |
| .csh | application/x-csh | C Shell Script |
| .csh | application/x-csh | |
| .csh | text/x-script.csh | |
| .csml | chemical/x-csml | Chemical Style Markup Language |
| .csp | application/vnd.commonspace | Sixth Floor Media - CommonSpace |
| .css | text/css | Cascading Style Sheets (CSS) |
| .css | application/x-pointplus | |
| .css | text/css | |
| .csv | text/csv | Comma-Seperated Values |
| .cu | application/cu-seeme | CU-SeeMe |
| .curl | text/vnd.curl | Curl - Applet |
| .cww | application/prs.cww | |
| .cxx | text/plain | |
| .dae | model/vnd.collada+xml | COLLADA |
| .daf | application/vnd.mobius.daf | Mobius Management Systems - UniversalArchive |
| .davmount | application/davmount+xml | Web Distributed Authoring and Versioning |
| .dcr | application/x-director | |
| .dcurl | text/vnd.curl.dcurl | Curl - Detached Applet |
| .dd2 | application/vnd.oma.dd2+xml | OMA Download Agents |
| .ddd | application/vnd.fujixerox.ddd | Fujitsu - Xerox 2D CAD Data |
| .deb | application/x-debian-package | Debian Package |
| .deepv | application/x-deepv | |
| .def | text/plain | |
| .der | application/x-x509-ca-cert | X.509 Certificate |
| .der | application/x-x509-ca-cert | |
| .dfac | application/vnd.dreamfactory | DreamFactory |
| .dif | video/x-dv | |
| .dir | application/x-director | Adobe Shockwave Player |
| .dir | application/x-director | |
| .dis | application/vnd.mobius.dis | Mobius Management Systems - Distribution Database |
| .djvu | image/vnd.djvu | DjVu |
| .dl | video/dl | |
| .dl | video/x-dl | |
| .dmg | application/x-apple-diskimage | Apple Disk Image |
| .dna | application/vnd.dna | New Moon Liftoff/DNA |
| .doc | application/msword | Microsoft Word |
| .doc | application/msword | |
| .docm | application/vnd.ms-word.document.macroenabled.12 | Microsoft Word - Macro-Enabled Document |
| .docx | application/vnd.openxmlformats-officedocument.wordprocessingml.document | Microsoft Office - OOXML - Word Document |
| .dot | application/msword | |
| .dotm | application/vnd.ms-word.template.macroenabled.12 | Microsoft Word - Macro-Enabled Template |
| .dotx | application/vnd.openxmlformats-officedocument.wordprocessingml.template | Microsoft Office - OOXML - Word Document Template |
| .dp | application/vnd.osgi.dp | OSGi Deployment Package |
| .dp | application/commonground | |
| .dpg | application/vnd.dpgraph | DPGraph |
| .dra | audio/vnd.dra | DRA Audio |
| .drw | application/drafting | |
| .dsc | text/prs.lines.tag | PRS Lines Tag |
| .dssc | application/dssc+der | Data Structure for the Security Suitability of Cryptographic Algorithms |
| .dtb | application/x-dtbook+xml | Digital Talking Book |
| .dtd | application/xml-dtd | Document Type Definition |
| .dts | audio/vnd.dts | DTS Audio |
| .dtshd | audio/vnd.dts.hd | DTS High Definition Audio |
| .dump | application/octet-stream | |
| .dv | video/x-dv | |
| .dvi | application/x-dvi | Device Independent File Format (DVI) |
| .dvi | application/x-dvi | |
| .dwf | model/vnd.dwf | Autodesk Design Web Format (DWF) |
| .dwf | drawing/x-dwf (old) | |
| .dwf | model/vnd.dwf | |
| .dwg | image/vnd.dwg | DWG Drawing |
| .dwg | application/acad | |
| .dwg | image/vnd.dwg | |
| .dwg | image/x-dwg | |
| .dxf | image/vnd.dxf | AutoCAD DXF |
| .dxf | application/dxf | |
| .dxf | image/vnd.dwg | |
| .dxf | image/x-dwg | |
| .dxp | application/vnd.spotfire.dxp | TIBCO Spotfire |
| .dxr | application/x-director | |
| .ecelp4800 | audio/vnd.nuera.ecelp4800 | Nuera ECELP 4800 |
| .ecelp7470 | audio/vnd.nuera.ecelp7470 | Nuera ECELP 7470 |
| .ecelp9600 | audio/vnd.nuera.ecelp9600 | Nuera ECELP 9600 |
| .edm | application/vnd.novadigm.edm | Novadigm's RADIA and EDM products |
| .edx | application/vnd.novadigm.edx | Novadigm's RADIA and EDM products |
| .efif | application/vnd.picsel | Pcsel eFIF File |
| .ei6 | application/vnd.pg.osasli | Proprietary P&G Standard Reporting System |
| .el | text/x-script.elisp | |
| .elc | application/x-bytecode.elisp (compiled elisp) | |
| .elc | application/x-elc | |
| .eml | message/rfc822 | Email Message |
| .emma | application/emma+xml | Extensible MultiModal Annotation |
| .env | application/x-envoy | |
| .eol | audio/vnd.digital-winds | Digital Winds Music |
| .eot | application/vnd.ms-fontobject | Microsoft Embedded OpenType |
| .eps | application/postscript | |
| .epub | application/epub+zip | Electronic Publication |
| .es | application/ecmascript | ECMAScript |
| .es | application/x-esrehber | |
| .es3 | application/vnd.eszigno3+xml | MICROSEC e-Szign? |
| .esf | application/vnd.epson.esf | QUASS Stream Player |
| .etx | text/x-setext | Setext |
| .etx | text/x-setext | |
| .evy | application/envoy | |
| .evy | application/x-envoy | |
| .exe | application/x-msdownload | Microsoft Application |
| .exe | application/octet-stream | |
| .exi | application/exi | Efficient XML Interchange |
| .ext | application/vnd.novadigm.ext | Novadigm's RADIA and EDM products |
| .ez2 | application/vnd.ezpix-album | EZPix Secure Photo Album |
| .ez3 | application/vnd.ezpix-package | EZPix Secure Photo Album |
| .f | text/x-fortran | Fortran Source File |
| .f | text/plain | |
| .f | text/x-fortran | |
| .f4v | video/x-f4v | Flash Video |
| .f77 | text/x-fortran | |
| .f90 | text/plain | |
| .f90 | text/x-fortran | |
| .fb2 | text/xml | FictionBook |
| .fbs | image/vnd.fastbidsheet | FastBid Sheet |
| .fcs | application/vnd.isac.fcs | International Society for Advancement of Cytometry |
| .fdf | application/vnd.fdf | Forms Data Format |
| .fdf | application/vnd.fdf | |
| .fe_launch | application/vnd.denovo.fcselayout-link | FCS Express Layout Link |
| .fg5 | application/vnd.fujitsu.oasysgp | Fujitsu Oasys |
| .fh | image/x-freehand | FreeHand MX |
| .fif | application/fractals | |
| .fif | image/fif | |
| .fig | application/x-xfig | Xfig |
| .fli | video/x-fli | FLI/FLC Animation Format |
| .fli | video/fli | |
| .fli | video/x-fli | |
| .flo | application/vnd.micrografx.flo | Micrografx |
| .flo | image/florian | |
| .flv | video/x-flv | Flash Video |
| .flw | application/vnd.kde.kivio | KDE KOffice Office Suite - Kivio |
| .flx | text/vnd.fmi.flexstor | FLEXSTOR |
| .flx | text/vnd.fmi.flexstor | |
| .fly | text/vnd.fly | mod_fly / fly.cgi |
| .fm | application/vnd.framemaker | FrameMaker Normal Format |
| .fmf | video/x-atomic3d-feature | |
| .fnc | application/vnd.frogans.fnc | Frogans Player |
| .for | text/plain | |
| .for | text/x-fortran | |
| .fpx | image/vnd.fpx | FlashPix |
| .fpx | image/vnd.fpx | |
| .fpx | image/vnd.net-fpx | |
| .frl | application/freeloader | |
| .fsc | application/vnd.fsc.weblaunch | Friendly Software Corporation |
| .fst | image/vnd.fst | FAST Search & Transfer ASA |
| .ftc | application/vnd.fluxtime.clip | FluxTime Clip |
| .fti | application/vnd.anser-web-funds-transfer-initiation | ANSER-WEB Terminal Client - Web Funds Transfer |
| .funk | audio/make | |
| .fvt | video/vnd.fvt | FAST Search & Transfer ASA |
| .fxp | application/vnd.adobe.fxp | Adobe Flex Project |
| .fzs | application/vnd.fuzzysheet | FuzzySheet |
| .g | text/plain | |
| .g2w | application/vnd.geoplan | GeoplanW |
| .g3 | image/g3fax | G3 Fax Image |
| .g3 | image/g3fax | |
| .g3w | application/vnd.geospace | GeospacW |
| .gac | application/vnd.groove-account | Groove - Account |
| .gdl | model/vnd.gdl | Geometric Description Language (GDL) |
| .geo | application/vnd.dynageo | DynaGeo |
| .gex | application/vnd.geometry-explorer | GeoMetry Explorer |
| .ggb | application/vnd.geogebra.file | GeoGebra |
| .ggt | application/vnd.geogebra.tool | GeoGebra |
| .ghf | application/vnd.groove-help | Groove - Help |
| .gif | image/gif | Graphics Interchange Format |
| .gif | image/gif | |
| .gim | application/vnd.groove-identity-message | Groove - Identity Message |
| .gl | video/gl | |
| .gl | video/x-gl | |
| .gmx | application/vnd.gmx | GameMaker ActiveX |
| .gnumeric | application/x-gnumeric | Gnumeric |
| .gph | application/vnd.flographit | NpGraphIt |
| .gqf | application/vnd.grafeq | GrafEq |
| .gram | application/srgs | Speech Recognition Grammar Specification |
| .grv | application/vnd.groove-injector | Groove - Injector |
| .grxml | application/srgs+xml | Speech Recognition Grammar Specification - XML |
| .gsd | audio/x-gsm | |
| .gsf | application/x-font-ghostscript | Ghostscript Font |
| .gsm | audio/x-gsm | |
| .gsp | application/x-gsp | |
| .gss | application/x-gss | |
| .gtar | application/x-gtar | GNU Tar Files |
| .gtar | application/x-gtar | |
| .gtm | application/vnd.groove-tool-message | Groove - Tool Message |
| .gtw | model/vnd.gtw | Gen-Trix Studio |
| .gv | text/vnd.graphviz | Graphviz |
| .gxt | application/vnd.geonext | GEONExT and JSXGraph |
| .gz | application/x-compressed | |
| .gz | application/x-gzip | |
| .gzip | application/x-gzip | |
| .gzip | multipart/x-gzip | |
| .h | text/plain | |
| .h | text/x-h | |
| .h261 | video/h261 | H.261 |
| .h263 | video/h263 | H.263 |
| .h264 | video/h264 | H.264 |
| .hal | application/vnd.hal+xml | Hypertext Application Language |
| .hbci | application/vnd.hbci | Homebanking Computer Interface (HBCI) |
| .hdf | application/x-hdf | Hierarchical Data Format |
| .hdf | application/x-hdf | |
| .help | application/x-helpfile | |
| .hgl | application/vnd.hp-hpgl | |
| .hh | text/plain | |
| .hh | text/x-h | |
| .hlb | text/x-script | |
| .hlp | application/winhlp | WinHelp |
| .hlp | application/hlp | |
| .hlp | application/x-helpfile | |
| .hlp | application/x-winhelp | |
| .hpg | application/vnd.hp-hpgl | |
| .hpgl | application/vnd.hp-hpgl | HP-GL/2 and HP RTL |
| .hpgl | application/vnd.hp-hpgl | |
| .hpid | application/vnd.hp-hpid | Hewlett Packard Instant Delivery |
| .hps | application/vnd.hp-hps | Hewlett-Packard's WebPrintSmart |
| .hqx | application/mac-binhex40 | Macintosh BinHex 4.0 |
| .hqx | application/binhex | |
| .hqx | application/binhex4 | |
| .hqx | application/mac-binhex | |
| .hqx | application/mac-binhex40 | |
| .hqx | application/x-binhex40 | |
| .hqx | application/x-mac-binhex40 | |
| .hta | application/hta | |
| .htc | text/x-component | |
| .htke | application/vnd.kenameaapp | Kenamea App |
| .htm | text/html | |
| .html | text/html | HyperText Markup Language (HTML) |
| .html | text/html | |
| .htmls | text/html | |
| .htt | text/webviewhtml | |
| .htx | text/html | |
| .hvd | application/vnd.yamaha.hv-dic | HV Voice Dictionary |
| .hvp | application/vnd.yamaha.hv-voice | HV Voice Parameter |
| .hvs | application/vnd.yamaha.hv-script | HV Script |
| .i2g | application/vnd.intergeo | Interactive Geometry Software |
| .icc | application/vnd.iccprofile | ICC profile |
| .ice | x-conference/x-cooltalk | CoolTalk |
| .ice | x-conference/x-cooltalk | |
| .ico | image/x-icon | Icon Image |
| .ico | image/x-icon | |
| .ics | text/calendar | iCalendar |
| .idc | text/plain | |
| .ief | image/ief | Image Exchange Format |
| .ief | image/ief | |
| .iefs | image/ief | |
| .ifm | application/vnd.shana.informed.formdata | Shana Informed Filler |
| .iges | application/iges | |
| .iges | model/iges | |
| .igl | application/vnd.igloader | igLoader |
| .igm | application/vnd.insors.igm | IOCOM Visimeet |
| .igs | model/iges | Initial Graphics Exchange Specification (IGES) |
| .igs | application/iges | |
| .igs | model/iges | |
| .igx | application/vnd.micrografx.igx | Micrografx iGrafx Professional |
| .iif | application/vnd.shana.informed.interchange | Shana Informed Filler |
| .ima | application/x-ima | |
| .imap | application/x-httpd-imap | |
| .imp | application/vnd.accpac.simply.imp | Simply Accounting - Data Import |
| .ims | application/vnd.ms-ims | Microsoft Class Server |
| .inf | application/inf | |
| .ins | application/x-internett-signup | |
| .ip | application/x-ip2 | |
| .ipfix | application/ipfix | Internet Protocol Flow Information Export |
| .ipk | application/vnd.shana.informed.package | Shana Informed Filler |
| .irm | application/vnd.ibm.rights-management | IBM DB2 Rights Manager |
| .irp | application/vnd.irepository.package+xml | iRepository / Lucidoc Editor |
| .isu | video/x-isvideo | |
| .it | audio/it | |
| .itp | application/vnd.shana.informed.formtemplate | Shana Informed Filler |
| .iv | application/x-inventor | |
| .ivp | application/vnd.immervision-ivp | ImmerVision PURE Players |
| .ivr | i-world/i-vrml | |
| .ivu | application/vnd.immervision-ivu | ImmerVision PURE Players |
| .ivy | application/x-livescreen | |
| .jad | text/vnd.sun.j2me.app-descriptor | J2ME App Descriptor |
| .jam | application/vnd.jam | Lightspeed Audio Lab |
| .jam | audio/x-jam | |
| .jar | application/java-archive | Java Archive |
| .jav | text/plain | |
| .jav | text/x-java-source | |
| .java | text/x-java-source,java | Java Source File |
| .java | text/plain | |
| .java | text/x-java-source | |
| .jcm | application/x-java-commerce | |
| .jfif | image/jpeg | |
| .jfif | image/pjpeg | |
| .jfif-tbnl | image/jpeg | |
| .jisp | application/vnd.jisp | RhymBox |
| .jlt | application/vnd.hp-jlyt | HP Indigo Digital Press - Job Layout Languate |
| .jnlp | application/x-java-jnlp-file | Java Network Launching Protocol |
| .joda | application/vnd.joost.joda-archive | Joda Archive |
| .jpe | image/jpeg | |
| .jpe | image/pjpeg | |
| .jpeg | image/jpeg | |
| .jpeg | image/pjpeg | |
| .jpeg, .jpg | image/jpeg | JPEG Image |
| .jpeg, .jpg | image/x-citrix-jpeg | JPEG Image (Citrix client) |
| .jpg | image/jpeg | |
| .jpg | image/pjpeg | |
| .jpgv | video/jpeg | JPGVideo |
| .jpm | video/jpm | JPEG 2000 Compound Image File Format |
| .jps | image/x-jps | |
| .js | application/javascript | JavaScript |
| .js | application/x-javascript | |
| .js | application/javascript | |
| .js | application/ecmascript | |
| .js | text/javascript | |
| .js | text/ecmascript | |
| .json | application/json | JavaScript Object Notation (JSON) |
| .jut | image/jutvision | |
| .kar | audio/midi | |
| .kar | music/x-karaoke | |
| .karbon | application/vnd.kde.karbon | KDE KOffice Office Suite - Karbon |
| .kfo | application/vnd.kde.kformula | KDE KOffice Office Suite - Kformula |
| .kia | application/vnd.kidspiration | Kidspiration |
| .kml | application/vnd.google-earth.kml+xml | Google Earth - KML |
| .kmz | application/vnd.google-earth.kmz | Google Earth - Zipped KML |
| .kne | application/vnd.kinar | Kinar Applications |
| .kon | application/vnd.kde.kontour | KDE KOffice Office Suite - Kontour |
| .kpr | application/vnd.kde.kpresenter | KDE KOffice Office Suite - Kpresenter |
| .ksh | application/x-ksh | |
| .ksh | text/x-script.ksh | |
| .ksp | application/vnd.kde.kspread | KDE KOffice Office Suite - Kspread |
| .ktx | image/ktx | OpenGL Textures (KTX) |
| .ktz | application/vnd.kahootz | Kahootz |
| .kwd | application/vnd.kde.kword | KDE KOffice Office Suite - Kword |
| .la | audio/nspaudio | |
| .la | audio/x-nspaudio | |
| .lam | audio/x-liveaudio | |
| .lasxml | application/vnd.las.las+xml | Laser App Enterprise |
| .latex | application/x-latex | LaTeX |
| .latex | application/x-latex | |
| .lbd | application/vnd.llamagraphics.life-balance.desktop | Life Balance - Desktop Edition |
| .lbe | application/vnd.llamagraphics.life-balance.exchange+xml | Life Balance - Exchange Format |
| .les | application/vnd.hhe.lesson-player | Archipelago Lesson Player |
| .lha | application/lha | |
| .lha | application/octet-stream | |
| .lha | application/x-lha | |
| .lhx | application/octet-stream | |
| .link66 | application/vnd.route66.link66+xml | ROUTE 66 Location Based Services |
| .list | text/plain | |
| .lma | audio/nspaudio | |
| .lma | audio/x-nspaudio | |
| .log | text/plain | |
| .lrm | application/vnd.ms-lrm | Microsoft Learning Resource Module |
| .lsp | application/x-lisp | |
| .lsp | text/x-script.lisp | |
| .lst | text/plain | |
| .lsx | text/x-la-asf | |
| .ltf | application/vnd.frogans.ltf | Frogans Player |
| .ltx | application/x-latex | |
| .lvp | audio/vnd.lucent.voice | Lucent Voice |
| .lwp | application/vnd.lotus-wordpro | Lotus Wordpro |
| .lzh | application/octet-stream | |
| .lzh | application/x-lzh | |
| .lzx | application/lzx | |
| .lzx | application/octet-stream | |
| .lzx | application/x-lzx | |
| .m | text/plain | |
| .m | text/x-m | |
| .m1v | video/mpeg | |
| .m21 | application/mp21 | MPEG-21 |
| .m2a | audio/mpeg | |
| .m2v | video/mpeg | |
| .m3u | audio/x-mpegurl | M3U (Multimedia Playlist) |
| .m3u | audio/x-mpequrl | |
| .m3u8 | application/vnd.apple.mpegurl | Multimedia Playlist Unicode |
| .m4v | video/x-m4v | M4v |
| .ma | application/mathematica | Mathematica Notebooks |
| .mads | application/mads+xml | Metadata Authority Description Schema |
| .mag | application/vnd.ecowin.chart | EcoWin Chart |
| .man | application/x-troff-man | |
| .map | application/x-navimap | |
| .mar | text/plain | |
| .mathml | application/mathml+xml | Mathematical Markup Language |
| .mbd | application/mbedlet | |
| .mbk | application/vnd.mobius.mbk | Mobius Management Systems - Basket file |
| .mbox | application/mbox | Mbox database files |
| .mc$ | application/x-magic-cap-package-1.0 | |
| .mc1 | application/vnd.medcalcdata | MedCalc |
| .mcd | application/vnd.mcd | Micro CADAM Helix D&D |
| .mcd | application/mcad | |
| .mcd | application/x-mathcad | |
| .mcf | image/vasa | |
| .mcf | text/mcf | |
| .mcp | application/netmc | |
| .mcurl | text/vnd.curl.mcurl | Curl - Manifest File |
| .mdb | application/x-msaccess | Microsoft Access |
| .mdi | image/vnd.ms-modi | Microsoft Document Imaging Format |
| .me | application/x-troff-me | |
| .meta4 | application/metalink4+xml | Metalink |
| .mets | application/mets+xml | Metadata Encoding and Transmission Standard |
| .mfm | application/vnd.mfmp | Melody Format for Mobile Platform |
| .mgp | application/vnd.osgeo.mapguide.package | MapGuide DBXML |
| .mgz | application/vnd.proteus.magazine | EFI Proteus |
| .mht | message/rfc822 | |
| .mhtml | message/rfc822 | |
| .mid | audio/midi | MIDI - Musical Instrument Digital Interface |
| .mid | application/x-midi | |
| .mid | audio/midi | |
| .mid | audio/x-mid | |
| .mid | audio/x-midi | |
| .mid | music/crescendo | |
| .mid | x-music/x-midi | |
| .midi | application/x-midi | |
| .midi | audio/midi | |
| .midi | audio/x-mid | |
| .midi | audio/x-midi | |
| .midi | music/crescendo | |
| .midi | x-music/x-midi | |
| .mif | application/vnd.mif | FrameMaker Interchange Format |
| .mif | application/x-frame | |
| .mif | application/x-mif | |
| .mime | message/rfc822 | |
| .mime | www/mime | |
| .mj2 | video/mj2 | Motion JPEG 2000 |
| .mjf | audio/x-vnd.audioexplosion.mjuicemediafile | |
| .mjpg | video/x-motion-jpeg | |
| .mlp | application/vnd.dolby.mlp | Dolby Meridian Lossless Packing |
| .mm | application/base64 | |
| .mm | application/x-meme | |
| .mmd | application/vnd.chipnuts.karaoke-mmd | Karaoke on Chipnuts Chipsets |
| .mme | application/base64 | |
| .mmf | application/vnd.smaf | SMAF File |
| .mmr | image/vnd.fujixerox.edmics-mmr | EDMICS 2000 |
| .mny | application/x-msmoney | Microsoft Money |
| .mod | audio/mod | |
| .mod | audio/x-mod | |
| .mods | application/mods+xml | Metadata Object Description Schema |
| .moov | video/quicktime | |
| .mov | video/quicktime | |
| .movie | video/x-sgi-movie | SGI Movie |
| .movie | video/x-sgi-movie | |
| .mp2 | audio/mpeg | |
| .mp2 | audio/x-mpeg | |
| .mp2 | video/mpeg | |
| .mp2 | video/x-mpeg | |
| .mp2 | video/x-mpeq2a | |
| .mp3 | audio/mpeg3 | |
| .mp3 | audio/x-mpeg-3 | |
| .mp3 | video/mpeg | |
| .mp3 | video/x-mpeg | |
| .mp4 | application/mp4 | MPEG4 |
| .mp4 | video/mp4 | MPEG-4 Video |
| .mp4a | audio/mp4 | MPEG-4 Audio |
| .mpa | audio/mpeg | |
| .mpa | video/mpeg | |
| .mpc | application/vnd.mophun.certificate | Mophun Certificate |
| .mpc | application/x-project | |
| .mpe | video/mpeg | |
| .mpeg | video/mpeg | MPEG Video |
| .mpeg | video/mpeg | |
| .mpg | audio/mpeg | |
| .mpg | video/mpeg | |
| .mpga | audio/mpeg | MPEG Audio |
| .mpga | audio/mpeg | |
| .mpkg | application/vnd.apple.installer+xml | Apple Installer Package |
| .mpm | application/vnd.blueice.multipass | Blueice Research Multipass |
| .mpn | application/vnd.mophun.application | Mophun VM |
| .mpp | application/vnd.ms-project | Microsoft Project |
| .mpp | application/vnd.ms-project | |
| .mpt | application/x-project | |
| .mpv | application/x-project | |
| .mpx | application/x-project | |
| .mpy | application/vnd.ibm.minipay | MiniPay |
| .mqy | application/vnd.mobius.mqy | Mobius Management Systems - Query File |
| .mrc | application/marc | MARC Formats |
| .mrc | application/marc | |
| .mrcx | application/marcxml+xml | MARC21 XML Schema |
| .ms | application/x-troff-ms | |
| .mscml | application/mediaservercontrol+xml | Media Server Control Markup Language |
| .mseq | application/vnd.mseq | 3GPP MSEQ File |
| .msf | application/vnd.epson.msf | QUASS Stream Player |
| .msh | model/mesh | Mesh Data Type |
| .msl | application/vnd.mobius.msl | Mobius Management Systems - Script Language |
| .msty | application/vnd.muvee.style | Muvee Automatic Video Editing |
| .mts | model/vnd.mts | Virtue MTS |
| .mus | application/vnd.musician | MUsical Score Interpreted Code Invented for the ASCII designation of Notation |
| .musicxml | application/vnd.recordare.musicxml+xml | Recordare Applications |
| .mv | video/x-sgi-movie | |
| .mvb | application/x-msmediaview | Microsoft MediaView |
| .mwf | application/vnd.mfer | Medical Waveform Encoding Format |
| .mxf | application/mxf | Material Exchange Format |
| .mxl | application/vnd.recordare.musicxml | Recordare Applications |
| .mxml | application/xv+xml | MXML |
| .mxs | application/vnd.triscape.mxs | Triscape Map Explorer |
| .mxu | video/vnd.mpegurl | MPEG Url |
| .my | audio/make | |
| .mzz | application/x-vnd.audioexplosion.mzz | |
| .n3 | text/n3 | Notation3 |
| .nap | image/naplps | |
| .naplps | image/naplps | |
| .nbp | application/vnd.wolfram.player | Mathematica Notebook Player |
| .nc | application/x-netcdf | Network Common Data Form (NetCDF) |
| .nc | application/x-netcdf | |
| .ncm | application/vnd.nokia.configuration-message | |
| .ncx | application/x-dtbncx+xml | Navigation Control file for XML (for ePub) |
| .n-gage | application/vnd.nokia.n-gage.symbian.install | N-Gage Game Installer |
| .ngdat | application/vnd.nokia.n-gage.data | N-Gage Game Data |
| .nif | image/x-niff | |
| .niff | image/x-niff | |
| .nix | application/x-mix-transfer | |
| .nlu | application/vnd.neurolanguage.nlu | neuroLanguage |
| .nml | application/vnd.enliven | Enliven Viewer |
| .nnd | application/vnd.noblenet-directory | NobleNet Directory |
| .nns | application/vnd.noblenet-sealer | NobleNet Sealer |
| .nnw | application/vnd.noblenet-web | NobleNet Web |
| .npx | image/vnd.net-fpx | FlashPix |
| .nsc | application/x-conference | |
| .nsf | application/vnd.lotus-notes | Lotus Notes |
| .nvd | application/x-navidoc | |
| .o | application/octet-stream | |
| .oa2 | application/vnd.fujitsu.oasys2 | Fujitsu Oasys |
| .oa3 | application/vnd.fujitsu.oasys3 | Fujitsu Oasys |
| .oas | application/vnd.fujitsu.oasys | Fujitsu Oasys |
| .obd | application/x-msbinder | Microsoft Office Binder |
| .oda | application/oda | Office Document Architecture |
| .oda | application/oda | |
| .odb | application/vnd.oasis.opendocument.database | OpenDocument Database |
| .odc | application/vnd.oasis.opendocument.chart | OpenDocument Chart |
| .odf | application/vnd.oasis.opendocument.formula | OpenDocument Formula |
| .odft | application/vnd.oasis.opendocument.formula-template | OpenDocument Formula Template |
| .odg | application/vnd.oasis.opendocument.graphics | OpenDocument Graphics |
| .odi | application/vnd.oasis.opendocument.image | OpenDocument Image |
| .odm | application/vnd.oasis.opendocument.text-master | OpenDocument Text Master |
| .odp | application/vnd.oasis.opendocument.presentation | OpenDocument Presentation |
| .ods | application/vnd.oasis.opendocument.spreadsheet | OpenDocument Spreadsheet |
| .odt | application/vnd.oasis.opendocument.text | OpenDocument Text |
| .oga | audio/ogg | Ogg Audio |
| .ogv | video/ogg | Ogg Video |
| .ogx | application/ogg | Ogg |
| .omc | application/x-omc | |
| .omcd | application/x-omcdatamaker | |
| .omcr | application/x-omcregerator | |
| .onetoc | application/onenote | Microsoft OneNote |
| .opf | application/oebps-package+xml | Open eBook Publication Structure |
| .org | application/vnd.lotus-organizer | Lotus Organizer |
| .osf | application/vnd.yamaha.openscoreformat | Open Score Format |
| .osfpvg | application/vnd.yamaha.openscoreformat.osfpvg+xml | OSFPVG |
| .otc | application/vnd.oasis.opendocument.chart-template | OpenDocument Chart Template |
| .otf | application/x-font-otf | OpenType Font File |
| .otf | font/otf | Web Open Font Format |
| .otg | application/vnd.oasis.opendocument.graphics-template | OpenDocument Graphics Template |
| .oth | application/vnd.oasis.opendocument.text-web | Open Document Text Web |
| .oti | application/vnd.oasis.opendocument.image-template | OpenDocument Image Template |
| .otp | application/vnd.oasis.opendocument.presentation-template | OpenDocument Presentation Template |
| .ots | application/vnd.oasis.opendocument.spreadsheet-template | OpenDocument Spreadsheet Template |
| .ott | application/vnd.oasis.opendocument.text-template | OpenDocument Text Template |
| .oxt | application/vnd.openofficeorg.extension | Open Office Extension |
| .p | text/x-pascal | Pascal Source File |
| .p | text/x-pascal | |
| .p10 | application/pkcs10 | PKCS #10 - Certification Request Standard |
| .p10 | application/pkcs10 | |
| .p10 | application/x-pkcs10 | |
| .p12 | application/x-pkcs12 | PKCS #12 - Personal Information Exchange Syntax Standard |
| .p12 | application/pkcs-12 | |
| .p12 | application/x-pkcs12 | |
| .p7a | application/x-pkcs7-signature | |
| .p7b | application/x-pkcs7-certificates | PKCS #7 - Cryptographic Message Syntax Standard (Certificates) |
| .p7c | application/pkcs7-mime | |
| .p7c | application/x-pkcs7-mime | |
| .p7m | application/pkcs7-mime | PKCS #7 - Cryptographic Message Syntax Standard |
| .p7m | application/pkcs7-mime | |
| .p7m | application/x-pkcs7-mime | |
| .p7r | application/x-pkcs7-certreqresp | PKCS #7 - Cryptographic Message Syntax Standard (Certificate Request Response) |
| .p7r | application/x-pkcs7-certreqresp | |
| .p7s | application/pkcs7-signature | PKCS #7 - Cryptographic Message Syntax Standard |
| .p7s | application/pkcs7-signature | |
| .p8 | application/pkcs8 | PKCS #8 - Private-Key Information Syntax Standard |
| .par | text/plain-bas | BAS Partitur Format |
| .part | application/pro_eng | |
| .pas | text/pascal | |
| .paw | application/vnd.pawaafile | PawaaFILE |
| .pbd | application/vnd.powerbuilder6 | PowerBuilder |
| .pbm | image/x-portable-bitmap | Portable Bitmap Format |
| .pbm | image/x-portable-bitmap | |
| .pcf | application/x-font-pcf | Portable Compiled Format |
| .pcl | application/vnd.hp-pcl | HP Printer Command Language |
| .pcl | application/vnd.hp-pcl | |
| .pcl | application/x-pcl | |
| .pclxl | application/vnd.hp-pclxl | PCL 6 Enhanced (Formely PCL XL) |
| .pct | image/x-pict | |
| .pcurl | application/vnd.curl.pcurl | CURL Applet |
| .pcx | image/x-pcx | PCX Image |
| .pcx | image/x-pcx | |
| .pdb | application/vnd.palm | PalmOS Data |
| .pdb | chemical/x-pdb | |
| application/pdf | Adobe Portable Document Format | |
| application/pdf | ||
| .pfa | application/x-font-type1 | PostScript Fonts |
| .pfr | application/font-tdpfr | Portable Font Resource |
| .pfunk | audio/make | |
| .pfunk | audio/make.my.funk | |
| .pgm | image/x-portable-graymap | Portable Graymap Format |
| .pgm | image/x-portable-graymap | |
| .pgm | image/x-portable-greymap | |
| .pgn | application/x-chess-pgn | Portable Game Notation (Chess Games) |
| .pgp | application/pgp-encrypted | Pretty Good Privacy |
| .pgp | application/pgp-signature | Pretty Good Privacy - Signature |
| .pic | image/x-pict | PICT Image |
| .pic | image/pict | |
| .pict | image/pict | |
| .pjpeg | image/pjpeg | JPEG Image (Progressive) |
| .pkg | application/x-newton-compatible-pkg | |
| .pki | application/pkixcmp | Internet Public Key Infrastructure - Certificate Management Protocole |
| .pkipath | application/pkix-pkipath | Internet Public Key Infrastructure - Certification Path |
| .pko | application/vnd.ms-pki.pko | |
| .pl | text/plain | |
| .pl | text/x-script.perl | |
| .plb | application/vnd.3gpp.pic-bw-large | 3rd Generation Partnership Project - Pic Large |
| .plc | application/vnd.mobius.plc | Mobius Management Systems - Policy Definition Language File |
| .plf | application/vnd.pocketlearn | PocketLearn Viewers |
| .pls | application/pls+xml | Pronunciation Lexicon Specification |
| .plx | application/x-pixclscript | |
| .pm | image/x-xpixmap | |
| .pm | text/x-script.perl-module | |
| .pm4 | application/x-pagemaker | |
| .pm5 | application/x-pagemaker | |
| .pml | application/vnd.ctc-posml | PosML |
| .png | image/png | Portable Network Graphics (PNG) |
| .png | image/x-citrix-png | Portable Network Graphics (PNG) (Citrix client) |
| .png | image/x-png | Portable Network Graphics (PNG) (x-token) |
| .png | image/png | |
| .pnm | image/x-portable-anymap | Portable Anymap Image |
| .pnm | application/x-portable-anymap | |
| .pnm | image/x-portable-anymap | |
| .portpkg | application/vnd.macports.portpkg | MacPorts Port System |
| .pot | application/mspowerpoint | |
| .pot | application/vnd.ms-powerpoint | |
| .potm | application/vnd.ms-powerpoint.template.macroenabled.12 | Microsoft PowerPoint - Macro-Enabled Template File |
| .potx | application/vnd.openxmlformats-officedocument.presentationml.template | Microsoft Office - OOXML - Presentation Template |
| .pov | model/x-pov | |
| .ppa | application/vnd.ms-powerpoint | |
| .ppam | application/vnd.ms-powerpoint.addin.macroenabled.12 | Microsoft PowerPoint - Add-in file |
| .ppd | application/vnd.cups-ppd | Adobe PostScript Printer Description File Format |
| .ppm | image/x-portable-pixmap | Portable Pixmap Format |
| .ppm | image/x-portable-pixmap | |
| .pps | application/mspowerpoint | |
| .pps | application/vnd.ms-powerpoint | |
| .ppsm | application/vnd.ms-powerpoint.slideshow.macroenabled.12 | Microsoft PowerPoint - Macro-Enabled Slide Show File |
| .ppsx | application/vnd.openxmlformats-officedocument.presentationml.slideshow | Microsoft Office - OOXML - Presentation (Slideshow) |
| .ppt | application/vnd.ms-powerpoint | Microsoft PowerPoint |
| .ppt | application/mspowerpoint | |
| .ppt | application/powerpoint | |
| .ppt | application/vnd.ms-powerpoint | |
| .ppt | application/x-mspowerpoint | |
| .pptm | application/vnd.ms-powerpoint.presentation.macroenabled.12 | Microsoft PowerPoint - Macro-Enabled Presentation File |
| .pptx | application/vnd.openxmlformats-officedocument.presentationml.presentation | Microsoft Office - OOXML - Presentation |
| .ppz | application/mspowerpoint | |
| .prc | application/x-mobipocket-ebook | Mobipocket |
| .pre | application/vnd.lotus-freelance | Lotus Freelance |
| .pre | application/x-freelance | |
| .prf | application/pics-rules | PICSRules |
| .prt | application/pro_eng | |
| .ps | application/postscript | |
| .psb | application/vnd.3gpp.pic-bw-small | 3rd Generation Partnership Project - Pic Small |
| .psd | image/vnd.adobe.photoshop | Photoshop Document |
| .psd | application/octet-stream | |
| .psf | application/x-font-linux-psf | PSF Fonts |
| .pskcxml | application/pskc+xml | Portable Symmetric Key Container |
| .ptid | application/vnd.pvi.ptid1 | Princeton Video Image |
| .pub | application/x-mspublisher | Microsoft Publisher |
| .pvb | application/vnd.3gpp.pic-bw-var | 3rd Generation Partnership Project - Pic Var |
| .pvu | paleovu/x-pv | |
| .pwn | application/vnd.3m.post-it-notes | 3M Post It Notes |
| .pwz | application/vnd.ms-powerpoint | |
| .py | text/x-script.phyton | |
| .pya | audio/vnd.ms-playready.media.pya | Microsoft PlayReady Ecosystem |
| .pyc | application/x-bytecode.python | |
| .pyv | video/vnd.ms-playready.media.pyv | Microsoft PlayReady Ecosystem Video |
| .qam | application/vnd.epson.quickanime | QuickAnime Player |
| .qbo | application/vnd.intu.qbo | Open Financial Exchange |
| .qcp | audio/vnd.qcelp | |
| .qd3 | x-world/x-3dmf | |
| .qd3d | x-world/x-3dmf | |
| .qfx | application/vnd.intu.qfx | Quicken |
| .qif | image/x-quicktime | |
| .qps | application/vnd.publishare-delta-tree | PubliShare Objects |
| .qt | video/quicktime | Quicktime Video |
| .qt | video/quicktime | |
| .qtc | video/x-qtc | |
| .qti | image/x-quicktime | |
| .qtif | image/x-quicktime | |
| .qxd | application/vnd.quark.quarkxpress | QuarkXpress |
| .ra | audio/x-pn-realaudio | |
| .ra | audio/x-pn-realaudio-plugin | |
| .ra | audio/x-realaudio | |
| .ram | audio/x-pn-realaudio | Real Audio Sound |
| .ram | audio/x-pn-realaudio | |
| .rar | application/x-rar-compressed | RAR Archive |
| .ras | image/x-cmu-raster | |
| .ras | application/x-cmu-raster | |
| .ras | image/cmu-raster | |
| .ras | image/x-cmu-raster | |
| .rast | image/cmu-raster | |
| .rcprofile | application/vnd.ipunplugged.rcprofile | IP Unplugged Roaming Client |
| .rdf | application/rdf+xml | Resource Description Framework |
| .rdz | application/vnd.data-vision.rdz | RemoteDocs R-Viewer |
| .rep | application/vnd.businessobjects | BusinessObjects |
| .res | application/x-dtbresource+xml | Digital Talking Book - Resource File |
| .rexx | text/x-script.rexx | |
| .rf | image/vnd.rn-realflash | |
| .rgb | image/x-rgb | Silicon Graphics RGB Bitmap |
| .rgb | image/x-rgb | |
| .rif | application/reginfo+xml | |
| .rip | audio/vnd.rip | Hit'n'Mix |
| .rl | application/resource-lists+xml | XML Resource Lists |
| .rlc | image/vnd.fujixerox.edmics-rlc | EDMICS 2000 |
| .rld | application/resource-lists-diff+xml | XML Resource Lists Diff |
| .rm | application/vnd.rn-realmedia | |
| .rm | application/vnd.rn-realmedia | |
| .rm | audio/x-pn-realaudio | |
| .rmi | audio/mid | |
| .rmm | audio/x-pn-realaudio | |
| .rmp | audio/x-pn-realaudio-plugin | Real Audio Sound |
| .rmp | audio/x-pn-realaudio | |
| .rmp | audio/x-pn-realaudio-plugin | |
| .rms | application/vnd.jcp.javame.midlet-rms | Mobile Information Device Profile |
| .rnc | application/relax-ng-compact-syntax | Relax NG Compact Syntax |
| .rng | application/ringing-tones | |
| .rng | application/vnd.nokia.ringing-tone | |
| .rnx | application/vnd.rn-realplayer | |
| .roff | application/x-troff | |
| .rp | image/vnd.rn-realpix | |
| .rp9 | application/vnd.cloanto.rp9 | RetroPlatform Player |
| .rpm | audio/x-pn-realaudio-plugin | |
| .rpss | application/vnd.nokia.radio-presets | Nokia Radio Application - Preset |
| .rpst | application/vnd.nokia.radio-preset | Nokia Radio Application - Preset |
| .rq | application/sparql-query | SPARQL - Query |
| .rs | application/rls-services+xml | XML Resource Lists |
| .rsd | application/rsd+xml | Really Simple Discovery |
| .rss, .xml | application/rss+xml | RSS - Really Simple Syndication |
| .rt | text/richtext | |
| .rt | text/vnd.rn-realtext | |
| .rtf | application/rtf | Rich Text Format |
| .rtf | application/rtf | |
| .rtf | application/x-rtf | |
| .rtf | text/richtext | |
| .rtx | text/richtext | Rich Text Format (RTF) |
| .rtx | application/rtf | |
| .rtx | text/richtext | |
| .rv | video/vnd.rn-realvideo | |
| .s | text/x-asm | Assembler Source File |
| .s | text/x-asm | |
| .s3m | audio/s3m | |
| .saf | application/vnd.yamaha.smaf-audio | SMAF Audio |
| .saveme | application/octet-stream | |
| .sbk | application/x-tbook | |
| .sbml | application/sbml+xml | Systems Biology Markup Language |
| .sc | application/vnd.ibm.secure-container | IBM Electronic Media Management System - Secure Container |
| .scd | application/x-msschedule | Microsoft Schedule+ |
| .scm | application/vnd.lotus-screencam | Lotus Screencam |
| .scm | application/x-lotusscreencam | |
| .scm | text/x-script.guile | |
| .scm | text/x-script.scheme | |
| .scm | video/x-scm | |
| .scq | application/scvp-cv-request | Server-Based Certificate Validation Protocol - Validation Request |
| .scs | application/scvp-cv-response | Server-Based Certificate Validation Protocol - Validation Response |
| .scurl | text/vnd.curl.scurl | Curl - Source Code |
| .sda | application/vnd.stardivision.draw | |
| .sdc | application/vnd.stardivision.calc | |
| .sdd | application/vnd.stardivision.impress | |
| .sdkm | application/vnd.solent.sdkm+xml | SudokuMagic |
| .sdml | text/plain | |
| .sdp | application/sdp | Session Description Protocol |
| .sdp | application/sdp | |
| .sdp | application/x-sdp | |
| .sdr | application/sounder | |
| .sdw | application/vnd.stardivision.writer | |
| .sea | application/sea | |
| .sea | application/x-sea | |
| .see | application/vnd.seemail | SeeMail |
| .seed | application/vnd.fdsn.seed | Digital Siesmograph Networks - SEED Datafiles |
| .sema | application/vnd.sema | Secured eMail |
| .semd | application/vnd.semd | Secured eMail |
| .semf | application/vnd.semf | Secured eMail |
| .ser | application/java-serialized-object | Java Serialized Object |
| .set | application/set | |
| .setpay | application/set-payment-initiation | Secure Electronic Transaction - Payment |
| .setreg | application/set-registration-initiation | Secure Electronic Transaction - Registration |
| .sfd-hdstx | application/vnd.hydrostatix.sof-data | Hydrostatix Master Suite |
| .sfnt | font/sfnt | Web Open Font Format |
| .sfs | application/vnd.spotfire.sfs | TIBCO Spotfire |
| .sgl | application/vnd.stardivision.writer-global | |
| .sgm | text/sgml | |
| .sgm | text/x-sgml | |
| .sgml | text/sgml | Standard Generalized Markup Language (SGML) |
| .sgml | text/sgml | |
| .sgml | text/x-sgml | |
| .sh | application/x-sh | Bourne Shell Script |
| .sh | application/x-bsh | |
| .sh | application/x-sh | |
| .sh | application/x-shar | |
| .sh | text/x-script.sh | |
| .shar | application/x-shar | Shell Archive |
| .shar | application/x-bsh | |
| .shar | application/x-shar | |
| .shf | application/shf+xml | S Hexdump Format |
| .shtml | text/html | |
| .shtml | text/x-server-parsed-html | |
| .sid | audio/x-psid | |
| .sis | application/vnd.symbian.install | Symbian Install Package |
| .sit | application/x-stuffit | Stuffit Archive |
| .sit | application/x-sit | |
| .sit | application/x-stuffit | |
| .sitx | application/x-stuffitx | Stuffit Archive |
| .skd | application/x-koan | |
| .skm | application/x-koan | |
| .skp | application/vnd.koan | SSEYO Koan Play File |
| .skp | application/x-koan | |
| .skt | application/x-koan | |
| .sl | application/x-seelogo | |
| .sldm | application/vnd.ms-powerpoint.slide.macroenabled.12 | Microsoft PowerPoint - Macro-Enabled Open XML Slide |
| .sldx | application/vnd.openxmlformats-officedocument.presentationml.slide | Microsoft Office - OOXML - Presentation (Slide) |
| .slt | application/vnd.epson.salt | SimpleAnimeLite Player |
| .sm | application/vnd.stepmania.stepchart | StepMania |
| .smf | application/vnd.stardivision.math | |
| .smi | application/smil+xml | Synchronized Multimedia Integration Language |
| .smi | application/smil | |
| .smil | application/smil | |
| .snd | audio/basic | |
| .snd | audio/x-adpcm | |
| .snf | application/x-font-snf | Server Normal Format |
| .sol | application/solids | |
| .spc | application/x-pkcs7-certificates | |
| .spc | text/x-speech | |
| .spf | application/vnd.yamaha.smaf-phrase | SMAF Phrase |
| .spl | application/x-futuresplash | FutureSplash Animator |
| .spl | application/futuresplash | |
| .spot | text/vnd.in3d.spot | In3D - 3DML |
| .spp | application/scvp-vp-response | Server-Based Certificate Validation Protocol - Validation Policies - Response |
| .spq | application/scvp-vp-request | Server-Based Certificate Validation Protocol - Validation Policies - Request |
| .spr | application/x-sprite | |
| .sprite | application/x-sprite | |
| .src | application/x-wais-source | WAIS Source |
| .src | application/x-wais-source | |
| .sru | application/sru+xml | Search/Retrieve via URL Response Format |
| .srx | application/sparql-results+xml | SPARQL - Results |
| .sse | application/vnd.kodak-descriptor | Kodak Storyshare |
| .ssf | application/vnd.epson.ssf | QUASS Stream Player |
| .ssi | text/x-server-parsed-html | |
| .ssm | application/streamingmedia | |
| .ssml | application/ssml+xml | Speech Synthesis Markup Language |
| .sst | application/vnd.ms-pki.certstore | |
| .st | application/vnd.sailingtracker.track | SailingTracker |
| .stc | application/vnd.sun.xml.calc.template | OpenOffice - Calc Template (Spreadsheet) |
| .std | application/vnd.sun.xml.draw.template | OpenOffice - Draw Template (Graphics) |
| .step | application/step | |
| .stf | application/vnd.wt.stf | Worldtalk |
| .sti | application/vnd.sun.xml.impress.template | OpenOffice - Impress Template (Presentation) |
| .stk | application/hyperstudio | Hyperstudio |
| .stl | application/vnd.ms-pki.stl | Microsoft Trust UI Provider - Certificate Trust Link |
| .stl | application/sla | |
| .stl | application/vnd.ms-pki.stl | |
| .stl | application/x-navistyle | |
| .stp | application/step | |
| .str | application/vnd.pg.format | Proprietary P&G Standard Reporting System |
| .stw | application/vnd.sun.xml.writer.template | OpenOffice - Writer Template (Text - HTML) |
| .sub | image/vnd.dvb.subtitle | Close Captioning - Subtitle |
| .sus | application/vnd.sus-calendar | ScheduleUs |
| .sv4cpio | application/x-sv4cpio | System V Release 4 CPIO Archive |
| .sv4cpio | application/x-sv4cpio | |
| .sv4crc | application/x-sv4crc | System V Release 4 CPIO Checksum Data |
| .sv4crc | application/x-sv4crc | |
| .svc | application/vnd.dvb.service | Digital Video Broadcasting |
| .svd | application/vnd.svd | SourceView Document |
| .svf | image/vnd.dwg | |
| .svf | image/x-dwg | |
| .svg | image/svg+xml | Scalable Vector Graphics (SVG) |
| .svg | image/svg+xml | |
| .svg | text/plain | |
| .svr | application/x-world | |
| .svr | x-world/x-svr | |
| .swf | application/x-shockwave-flash | Adobe Flash |
| .swf | application/x-shockwave-flash | |
| .swi | application/vnd.aristanetworks.swi | Arista Networks Software Image |
| .sxc | application/vnd.sun.xml.calc | OpenOffice - Calc (Spreadsheet) |
| .sxd | application/vnd.sun.xml.draw | OpenOffice - Draw (Graphics) |
| .sxg | application/vnd.sun.xml.writer.global | OpenOffice - Writer (Text - HTML) |
| .sxi | application/vnd.sun.xml.impress | OpenOffice - Impress (Presentation) |
| .sxm | application/vnd.sun.xml.math | OpenOffice - Math (Formula) |
| .sxw | application/vnd.sun.xml.writer | OpenOffice - Writer (Text - HTML) |
| .t | text/troff | troff |
| .t | application/x-troff | |
| .talk | text/x-speech | |
| .tao | application/vnd.tao.intent-module-archive | Tao Intent |
| .tar | application/x-tar | Tar File (Tape Archive) |
| .tar | application/x-tar | |
| .tbk | application/toolbook | |
| .tbk | application/x-tbook | |
| .tcap | application/vnd.3gpp2.tcap | 3rd Generation Partnership Project - Transaction Capabilities Application Part |
| .tcl | application/x-tcl | Tcl Script |
| .tcl | application/x-tcl | |
| .tcl | text/x-script.tcl | |
| .tcsh | text/x-script.tcsh | |
| .teacher | application/vnd.smart.teacher | SMART Technologies Apps |
| .tei | application/tei+xml | Text Encoding and Interchange |
| .tex | application/x-tex | TeX |
| .tex | application/x-tex | |
| .texi | application/x-texinfo | |
| .texinfo | application/x-texinfo | GNU Texinfo Document |
| .texinfo | application/x-texinfo | |
| .text | application/plain | |
| .text | text/plain | |
| .tfi | application/thraud+xml | Sharing Transaction Fraud Data |
| .tfm | application/x-tex-tfm | TeX Font Metric |
| .tgz | application/gnutar | |
| .tgz | application/x-compressed | |
| .thmx | application/vnd.ms-officetheme | Microsoft Office System Release Theme |
| .tif | image/tiff | |
| .tif | image/x-tiff | |
| .tiff | image/tiff | Tagged Image File Format |
| .tiff | image/tiff | |
| .tiff | image/x-tiff | |
| .tmo | application/vnd.tmobile-livetv | MobileTV |
| .torrent | application/x-bittorrent | BitTorrent |
| .tpl | application/vnd.groove-tool-template | Groove - Tool Template |
| .tpt | application/vnd.trid.tpt | TRI Systems Config |
| .tr | application/x-troff | |
| .tra | application/vnd.trueapp | True BASIC |
| .trm | application/x-msterminal | Microsoft Windows Terminal Services |
| .tsd | application/timestamped-data | Time Stamped Data Envelope |
| .tsi | audio/tsp-audio | |
| .tsp | application/dsptype | |
| .tsp | audio/tsplayer | |
| .tsv | text/tab-separated-values | Tab Seperated Values |
| .tsv | text/tab-separated-values | |
| .ttf | application/x-font-ttf | TrueType Font |
| .ttf | font/sfnt | TrueType Font |
| .ttf | font/ttf | Web Open Font Format |
| .ttl | text/turtle | Turtle (Terse RDF Triple Language) |
| .turbot | image/florian | |
| .twd | application/vnd.simtech-mindmapper | SimTech MindMapper |
| .txd | application/vnd.genomatix.tuxedo | Genomatix Tuxedo Framework |
| .txf | application/vnd.mobius.txf | Mobius Management Systems - Topic Index File |
| .txt | text/plain | Text File |
| .txt | text/plain | |
| .ufd | application/vnd.ufdl | Universal Forms Description Language |
| .uil | text/x-uil | |
| .umj | application/vnd.umajin | UMAJIN |
| .uni | text/uri-list | |
| .unis | text/uri-list | |
| .unityweb | application/vnd.unity | Unity 3d |
| .unv | application/i-deas | |
| .uoml | application/vnd.uoml+xml | Unique Object Markup Language |
| .uri | text/uri-list | URI Resolution Services |
| .uri | text/uri-list | |
| .uris | text/uri-list | |
| .ustar | application/x-ustar | Ustar (Uniform Standard Tape Archive) |
| .ustar | application/x-ustar | |
| .ustar | multipart/x-ustar | |
| .utz | application/vnd.uiq.theme | User Interface Quartz - Theme (Symbian) |
| .uu | text/x-uuencode | UUEncode |
| .uu | application/octet-stream | |
| .uu | text/x-uuencode | |
| .uue | text/x-uuencode | |
| .uva | audio/vnd.dece.audio | DECE Audio |
| .uvh | video/vnd.dece.hd | DECE High Definition Video |
| .uvi | image/vnd.dece.graphic | DECE Graphic |
| .uvm | video/vnd.dece.mobile | DECE Mobile Video |
| .uvp | video/vnd.dece.pd | DECE PD Video |
| .uvs | video/vnd.dece.sd | DECE SD Video |
| .uvu | video/vnd.uvvu.mp4 | DECE MP4 |
| .uvv | video/vnd.dece.video | DECE Video |
| .vcd | application/x-cdlink | Video CD |
| .vcd | application/x-cdlink | |
| .vcf | text/x-vcard | vCard |
| .vcg | application/vnd.groove-vcard | Groove - Vcard |
| .vcs | text/x-vcalendar | vCalendar |
| .vcs | text/x-vcalendar | |
| .vcx | application/vnd.vcx | VirtualCatalog |
| .vda | application/vda | |
| .vdo | video/vdo | |
| .vew | application/groupwise | |
| .vis | application/vnd.visionary | Visionary |
| .viv | video/vnd.vivo | Vivo |
| .viv | video/vivo | |
| .viv | video/vnd.vivo | |
| .vivo | video/vivo | |
| .vivo | video/vnd.vivo | |
| .vmd | application/vocaltec-media-desc | |
| .vmf | application/vocaltec-media-file | |
| .voc | audio/voc | |
| .voc | audio/x-voc | |
| .vos | video/vosaic | |
| .vox | audio/voxware | |
| .vqe | audio/x-twinvq-plugin | |
| .vqf | audio/x-twinvq | |
| .vql | audio/x-twinvq-plugin | |
| .vrml | application/x-vrml | |
| .vrml | model/vrml | |
| .vrml | x-world/x-vrml | |
| .vrt | x-world/x-vrt | |
| .vsd | application/vnd.visio | Microsoft Visio |
| .vsd | application/x-visio | |
| .vsdx | application/vnd.visio2013 | Microsoft Visio 2013 |
| .vsf | application/vnd.vsf | Viewport+ |
| .vst | application/x-visio | |
| .vsw | application/x-visio | |
| .vtu | model/vnd.vtu | Virtue VTU |
| .vxml | application/voicexml+xml | VoiceXML |
| .w60 | application/wordperfect6.0 | |
| .w61 | application/wordperfect6.1 | |
| .w6w | application/msword | |
| .wad | application/x-doom | Doom Video Game |
| .wav | audio/x-wav | Waveform Audio File Format (WAV) |
| .wav | audio/wav | |
| .wav | audio/x-wav | |
| .wax | audio/x-ms-wax | Microsoft Windows Media Audio Redirector |
| .wb1 | application/x-qpro | |
| .wbmp | image/vnd.wap.wbmp | WAP Bitamp (WBMP) |
| .wbmp | image/vnd.wap.wbmp | |
| .wbs | application/vnd.criticaltools.wbs+xml | Critical Tools - PERT Chart EXPERT |
| .wbxml | application/vnd.wap.wbxml | WAP Binary XML (WBXML) |
| .web | application/vnd.xara | |
| .weba | audio/webm | Open Web Media Project - Audio |
| .webm | video/webm | Open Web Media Project - Video |
| .webp | image/webp | WebP Image |
| .wg | application/vnd.pmi.widget | Qualcomm's Plaza Mobile Internet |
| .wgt | application/widget | Widget Packaging and XML Configuration |
| .wiz | application/msword | |
| .wk1 | application/x-123 | |
| .wm | video/x-ms-wm | Microsoft Windows Media |
| .wma | audio/x-ms-wma | Microsoft Windows Media Audio |
| .wmd | application/x-ms-wmd | Microsoft Windows Media Player Download Package |
| .wmf | application/x-msmetafile | Microsoft Windows Metafile |
| .wmf | windows/metafile | |
| .wml | text/vnd.wap.wml | Wireless Markup Language (WML) |
| .wml | text/vnd.wap.wml | |
| .wmlc | application/vnd.wap.wmlc | Compiled Wireless Markup Language (WMLC) |
| .wmlc | application/vnd.wap.wmlc | |
| .wmls | text/vnd.wap.wmlscript | Wireless Markup Language Script (WMLScript) |
| .wmls | text/vnd.wap.wmlscript | |
| .wmlsc | application/vnd.wap.wmlscriptc | WMLScript |
| .wmlsc | application/vnd.wap.wmlscriptc | |
| .wmv | video/x-ms-wmv | Microsoft Windows Media Video |
| .wmx | video/x-ms-wmx | Microsoft Windows Media Audio/Video Playlist |
| .wmz | application/x-ms-wmz | Microsoft Windows Media Player Skin Package |
| .woff | application/x-font-woff | Web Open Font Format |
| .woff | font/woff | Web Open Font Format |
| .woff2 | font/woff2 | Web Open Font Format |
| .word | application/msword | |
| .wp | application/wordperfect | |
| .wp5 | application/wordperfect | |
| .wp5 | application/wordperfect6.0 | |
| .wp6 | application/wordperfect | |
| .wpd | application/vnd.wordperfect | Wordperfect |
| .wpd | application/wordperfect | |
| .wpd | application/x-wpwin | |
| .wpl | application/vnd.ms-wpl | Microsoft Windows Media Player Playlist |
| .wps | application/vnd.ms-works | Microsoft Works |
| .wq1 | application/x-lotus | |
| .wqd | application/vnd.wqd | SundaHus WQ |
| .wri | application/x-mswrite | Microsoft Wordpad |
| .wri | application/mswrite | |
| .wri | application/x-wri | |
| .wrl | model/vrml | Virtual Reality Modeling Language |
| .wrl | application/x-world | |
| .wrl | model/vrml | |
| .wrl | x-world/x-vrml | |
| .wrz | model/vrml | |
| .wrz | x-world/x-vrml | |
| .wsc | text/scriplet | |
| .wsdl | application/wsdl+xml | WSDL - Web Services Description Language |
| .wspolicy | application/wspolicy+xml | Web Services Policy |
| .wsrc | application/x-wais-source | |
| .wtb | application/vnd.webturbo | WebTurbo |
| .wtk | application/x-wintalk | |
| .wvx | video/x-ms-wvx | Microsoft Windows Media Video Playlist |
| .x3d | application/vnd.hzn-3d-crossword | 3D Crossword Plugin |
| .xap | application/x-silverlight-app | Microsoft Silverlight |
| .xar | application/vnd.xara | CorelXARA |
| .xbap | application/x-ms-xbap | Microsoft XAML Browser Application |
| .xbd | application/vnd.fujixerox.docuworks.binder | Fujitsu - Xerox DocuWorks Binder |
| .xbm | image/x-xbitmap | X BitMap |
| .xbm | image/x-xbitmap | |
| .xbm | image/x-xbm | |
| .xbm | image/xbm | |
| .xdf | application/xcap-diff+xml | XML Configuration Access Protocol - XCAP Diff |
| .xdm | application/vnd.syncml.dm+xml | SyncML - Device Management |
| .xdp | application/vnd.adobe.xdp+xml | Adobe XML Data Package |
| .xdr | video/x-amt-demorun | |
| .xdssc | application/dssc+xml | Data Structure for the Security Suitability of Cryptographic Algorithms |
| .xdw | application/vnd.fujixerox.docuworks | Fujitsu - Xerox DocuWorks |
| .xenc | application/xenc+xml | XML Encryption Syntax and Processing |
| .xer | application/patch-ops-error+xml | XML Patch Framework |
| .xfdf | application/vnd.adobe.xfdf | Adobe XML Forms Data Format |
| .xfdl | application/vnd.xfdl | Extensible Forms Description Language |
| .xgz | xgl/drawing | |
| .xhtml | application/xhtml+xml | XHTML - The Extensible HyperText Markup Language |
| .xif | image/vnd.xiff | eXtended Image File Format (XIFF) |
| .xif | image/vnd.xiff | |
| .xl | application/excel | |
| .xla | application/excel | |
| .xla | application/x-excel | |
| .xla | application/x-msexcel | |
| .xlam | application/vnd.ms-excel.addin.macroenabled.12 | Microsoft Excel - Add-In File |
| .xlb | application/excel | |
| .xlb | application/vnd.ms-excel | |
| .xlb | application/x-excel | |
| .xlc | application/excel | |
| .xlc | application/vnd.ms-excel | |
| .xlc | application/x-excel | |
| .xld | application/excel | |
| .xld | application/x-excel | |
| .xlk | application/excel | |
| .xlk | application/x-excel | |
| .xll | application/excel | |
| .xll | application/vnd.ms-excel | |
| .xll | application/x-excel | |
| .xlm | application/excel | |
| .xlm | application/vnd.ms-excel | |
| .xlm | application/x-excel | |
| .xls | application/vnd.ms-excel | Microsoft Excel |
| .xls | application/excel | |
| .xls | application/vnd.ms-excel | |
| .xls | application/x-excel | |
| .xls | application/x-msexcel | |
| .xlsb | application/vnd.ms-excel.sheet.binary.macroenabled.12 | Microsoft Excel - Binary Workbook |
| .xlsm | application/vnd.ms-excel.sheet.macroenabled.12 | Microsoft Excel - Macro-Enabled Workbook |
| .xlsx | application/vnd.openxmlformats-officedocument.spreadsheetml.sheet | Microsoft Office - OOXML - Spreadsheet |
| .xlt | application/excel | |
| .xlt | application/x-excel | |
| .xltm | application/vnd.ms-excel.template.macroenabled.12 | Microsoft Excel - Macro-Enabled Template File |
| .xltx | application/vnd.openxmlformats-officedocument.spreadsheetml.template | Microsoft Office - OOXML - Spreadsheet Template |
| .xlv | application/excel | |
| .xlv | application/x-excel | |
| .xlw | application/excel | |
| .xlw | application/vnd.ms-excel | |
| .xlw | application/x-excel | |
| .xlw | application/x-msexcel | |
| .xm | audio/xm | |
| .xml | application/xml | XML - Extensible Markup Language |
| .xml | application/xml | |
| .xml | text/xml | |
| .xmz | xgl/movie | |
| .xo | application/vnd.olpc-sugar | Sugar Linux Application Bundle |
| .xop | application/xop+xml | XML-Binary Optimized Packaging |
| .xpi | application/x-xpinstall | XPInstall - Mozilla |
| .xpix | application/x-vnd.ls-xpix | |
| .xpm | image/x-xpixmap | X PixMap |
| .xpm | image/x-xpixmap | |
| .xpm | image/xpm | |
| .x-png | image/png | |
| .xpr | application/vnd.is-xpr | Express by Infoseek |
| .xps | application/vnd.ms-xpsdocument | Microsoft XML Paper Specification |
| .xpw | application/vnd.intercon.formnet | Intercon FormNet |
| .xslt | application/xslt+xml | XML Transformations |
| .xsm | application/vnd.syncml+xml | SyncML |
| .xspf | application/xspf+xml | XSPF - XML Shareable Playlist Format |
| .xsr | video/x-amt-showrun | |
| .xul | application/vnd.mozilla.xul+xml | XUL - XML User Interface Language |
| .xwd | image/x-xwindowdump | X Window Dump |
| .xwd | image/x-xwd | |
| .xwd | image/x-xwindowdump | |
| .xyz | chemical/x-xyz | XYZ File Format |
| .xyz | chemical/x-pdb | |
| .yaml | text/yaml | YAML Ain't Markup Language / Yet Another Markup Language |
| .yang | application/yang | YANG Data Modeling Language |
| .yin | application/yin+xml | YIN (YANG - XML) |
| .z | application/x-compress | |
| .z | application/x-compressed | |
| .zaz | application/vnd.zzazz.deck+xml | Zzazz Deck |
| .zip | application/zip | Zip Archive |
| .zip | application/x-compressed | |
| .zip | application/x-zip-compressed | |
| .zip | application/zip | |
| .zip | multipart/x-zip | |
| .zir | application/vnd.zul | Z.U.L. Geometry |
| .zmm | application/vnd.handheld-entertainment+xml | ZVUE Media Manager |
| .zoo | application/octet-stream | |
| .zsh | text/x-script.zsh |