译者注：英文原文标题为 Incomplete list of MIME types，意为不完整的/未完成的 MIME 类型列表。
这是一份 MIME 类型列表，以及各个类型的文档类别，按照它们的常见扩展名排序。
两种主要的 MIME 类型在默认类型中扮演了重要的角色：
text/plain表示文本文件的默认值。一个文本文件应当是人类可读的，并且不包含二进制数据。application/octet-stream表示所有其他情况的默认值。一种未知的文件类型应当使用此类型。浏览器在处理这些文件时会特别小心, 试图防止、避免用户的危险行为.
IANA 是 MIME 媒体类型的官方注册机构，并维护了 list of all the official MIME types。下面的表格列出了 Web 上的一些重要 MIME 类型:
| 扩展名 | 文档类型 | MIME 类型 |
|---|---|---|
.aac |
AAC audio | audio/aac |
.abw |
AbiWord document | application/x-abiword |
.arc |
Archive document (multiple files embedded) | application/x-freearc |
.avi |
AVI: Audio Video Interleave | video/x-msvideo |
.azw |
Amazon Kindle eBook format | application/vnd.amazon.ebook |
.bin |
Any kind of binary data | application/octet-stream |
.bmp |
Windows OS/2 Bitmap Graphics | image/bmp |
.bz |
BZip archive | application/x-bzip |
.bz2 |
BZip2 archive | application/x-bzip2 |
.csh |
C-Shell script | application/x-csh |
.css |
Cascading Style Sheets (CSS) | text/css |
.csv |
Comma-separated values (CSV) | text/csv |
.doc |
Microsoft Word | application/msword |
.docx |
Microsoft Word (OpenXML) | application/vnd.openxmlformats-officedocument.wordprocessingml.document |
.eot |
MS Embedded OpenType fonts | application/vnd.ms-fontobject |
.epub |
Electronic publication (EPUB) | application/epub+zip |
.gif |
Graphics Interchange Format (GIF) | image/gif |
`.htm |
.html` | HyperText Markup Language (HTML) | `text/html` |
| .ico | Icon format | image/vnd.microsoft.icon |
| .ics | iCalendar format | text/calendar |
| .jar | Java Archive (JAR) | application/java-archive |
| .jpeg
.jpg | JPEG images | image/jpeg |
| .js | JavaScript | text/javascript |
| .json | JSON format | application/json |
| .jsonld | JSON-LD format | application/ld+json |
| .mid
.midi | Musical Instrument Digital Interface (MIDI) | audio/midi audio/x-midi |
| .mjs | JavaScript module | text/javascript |
| .mp3 | MP3 audio | audio/mpeg |
| .mpeg | MPEG Video | video/mpeg |
| .mpkg | Apple Installer Package | application/vnd.apple.installer+xml |
| .odp | OpenDocument presentation document | application/vnd.oasis.opendocument.presentation |
| .ods | OpenDocument spreadsheet document | application/vnd.oasis.opendocument.spreadsheet |
| .odt | OpenDocument text document | application/vnd.oasis.opendocument.text |
| .oga | OGG audio | audio/ogg |
| .ogv | OGG video | video/ogg |
| .ogx | OGG | application/ogg |
| .otf | OpenType font | font/otf |
| .png | Portable Network Graphics | image/png |
| .pdf | Adobe Portable Document Format (PDF) | application/pdf |
| .ppt | Microsoft PowerPoint | application/vnd.ms-powerpoint |
| .pptx | Microsoft PowerPoint (OpenXML) | application/vnd.openxmlformats-officedocument.presentationml.presentation |
| .rar | RAR archive | application/x-rar-compressed |
| .rtf | Rich Text Format (RTF) | application/rtf |
| .sh | Bourne shell script | application/x-sh |
| .svg | Scalable Vector Graphics (SVG) | image/svg+xml |
| .swf | Small web format (SWF) or Adobe Flash document | application/x-shockwave-flash |
| .tar | Tape Archive (TAR) | application/x-tar |
| .tif
.tiff | Tagged Image File Format (TIFF) | image/tiff |
| .ttf | TrueType Font | font/ttf |
| .txt | Text, (generally ASCII or ISO 8859-n) | text/plain |
| .vsd | Microsoft Visio | application/vnd.visio |
| .wav | Waveform Audio Format | audio/wav |
| .weba | WEBM audio | audio/webm |
| .webm | WEBM video | video/webm |
| .webp | WEBP image | image/webp |
| .woff | Web Open Font Format (WOFF) | font/woff |
| .woff2 | Web Open Font Format (WOFF) | font/woff2 |
| .xhtml | XHTML | application/xhtml+xml |
| .xls | Microsoft Excel | application/vnd.ms-excel |
| .xlsx | Microsoft Excel (OpenXML) | application/vnd.openxmlformats-officedocument.spreadsheetml.sheet |
| .xml | XML | application/xml 代码对普通用户来说不可读 (RFC 3023, section 3)
text/xml 代码对普通用户来说可读 (RFC 3023, section 3) |
| .xul | XUL | application/vnd.mozilla.xul+xml |
| .zip | ZIP archive | application/zip |
| .3gp | 3GPP audio/video container | video/3gpp
audio/3gpp（若不含视频） |
| .3g2 | 3GPP2 audio/video container | video/3gpp2
audio/3gpp2（若不含视频） |
| .7z | 7-zip archive | application/x-7z-compressed |
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