| Code | Display | Definition |
| audio/aac | .aac | AAC audio |
| application/x-abiword | .abw | AbiWord document |
| application/x-freearc | .arc | Archive document (multiple files embedded) |
| image/avif | .avif | AVIF image |
| video/x-msvideo | .avi | AVI: Audio Video Interleave |
| application/vnd.amazon.ebook | .azw | Amazon Kindle eBook format |
| application/octet-stream | .bin | Any kind of binary data |
| image/bmp | .bmp | Windows OS/2 Bitmap Graphics |
| application/x-bzip | .bz | BZip archive |
| application/x-bzip2 | .bz2 | BZip2 archive |
| application/x-cdf | .cda | CD audio |
| application/x-csh | .csh | C-Shell script |
| text/css | .css | Cascading Style Sheets (CSS) |
| text/csv | .csv | Comma-separated values (CSV) |
| application/msword | .doc | Microsoft Word |
| application/vnd.openxmlformats-officedocument.wordprocessingml.document | .docx | Microsoft Word (OpenXML) |
| application/vnd.ms-fontobject | .eot | MS Embedded OpenType fonts |
| application/epub+zip | .epub | Electronic publication (EPUB) |
| application/gzip | .gz | GZip Compressed Archive |
| image/gif | .gif | Graphics Interchange Format (GIF) |
| text/html | .htm, .html | HyperText Markup Language (HTML) |
| image/vnd.microsoft.icon | .ico | Icon format |
| text/calendar | .ics | iCalendar format |
| application/java-archive | .jar | Java Archive (JAR) |
| image/jpeg | .jpeg, .jpg | JPEG images |
| text/javascript | .js, .mjs | JavaScript |
| application/json | .json | JSON format |
| application/ld+json | .jsonld | JSON-LD format |
| audio/midi | .mid | Musical Instrument Digital Interface (MIDI) |
| audio/x-midi | .midi | Musical Instrument Digital Interface (MIDI) |
| audio/mpeg | .mp3 | MP3 audio |
| video/mp4 | .mp4 | MP4 video |
| video/mpeg | .mpeg | MPEG Video |
| application/vnd.apple.installer+xml | .mpkg | Apple Installer Package |
| application/vnd.oasis.opendocument.presentation | .odp | OpenDocument presentation document |
| application/vnd.oasis.opendocument.spreadsheet | .ods | OpenDocument spreadsheet document |
| application/vnd.oasis.opendocument.text | .odt | OpenDocument text document |
| audio/ogg | .oga | OGG audio |
| video/ogg | .ogv | OGG video |
| application/ogg | .ogx | OGG |
| audio/opus | .opus | Opus audio |
| font/otf | .otf | OpenType font |
| image/png | .png | Portable Network Graphics |
| application/pdf | .pdf | Adobe Portable Document Format (PDF) |
| application/x-httpd-php | .php | Hypertext Preprocessor (Personal Home Page) |
| application/vnd.ms-powerpoint | .ppt | Microsoft PowerPoint |
| application/vnd.openxmlformats-officedocument.presentationml.presentation | .pptx | Microsoft PowerPoint (OpenXML) |
| application/vnd.rar | .rar | RAR archive |
| application/rtf | .rtf | Rich Text Format (RTF) |
| application/x-sh | .sh | Bourne shell script |
| image/svg+xml | .svg | Scalable Vector Graphics (SVG) |
| application/x-tar | .tar | Tape Archive (TAR) |
| image/tiff | .tif, .tiff | Tagged Image File Format (TIFF) |
| video/mp2t | .ts | MPEG transport stream |
| font/ttf | .ttf | TrueType Font |
| text/plain | .txt | Text, (generally ASCII or ISO 8859-n) |
| application/vnd.visio | .vsd | Microsoft Visio |
| audio/wav | .wav | Waveform Audio Format |
| audio/webm | .weba | WEBM audio |
| video/webm | .webm | WEBM video |
| image/webp | .webp | WEBP image |
| font/woff | .woff | Web Open Font Format (WOFF) |
| font/woff2 | .woff2 | Web Open Font Format (WOFF) |
| application/xhtml+xml | .xhtml | XHTML |
| application/vnd.ms-excel | .xls | Microsoft Excel |
| application/vnd.openxmlformats-officedocument.spreadsheetml.sheet | .xlsx | Microsoft Excel (OpenXML) |
| application/xml | .xml | XML |
| text/xml | .xml | XML |
| application/atom+xml | .xml | XML |
| application/vnd.mozilla.xul+xml | .xul | XUL |
| application/zip | .zip | ZIP archive |
| video/3gpp | .3gp | 3GPP audio/video container |
| audio/3gpp | .3gp | 3GPP audio/video container if it does not contain video |
| video/3gpp2 | .3g2 | 3GPP2 audio/video container |
| audio/3gpp2 | .3g2 | 3GPP2 audio/video container if it doesn't contain video |
| application/x-7z-compressed | .7z | 7-zip archive |
| text/hl7v2 | hl7v2 | HL7 v2.x message |
| text/rtf | rtf | Rich Text Format (RTF) |
| application/cda+xml | cda | Clinical Document Architecture (CDA) XML |
| application/fhir+json | fhir | FHIR JSON |
| application/fhir+xml | fhir | FHIR XML |
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