| 后缀名 | 文件类型 | 类型（type） |
|---|---|---|
| .xls | Microsoft Excel | application/vnd.ms-excel |
| .xlsx | Microsoft Excel (OpenXML) | application/vnd.openxmlformats-officedocument.spreadsheetml.sheet |
| .csv | CSV | text/csv |
| .doc | Microsoft Word | application/msword |
| .docx | Microsoft Word (OpenXML) | application/vnd.openxmlformats-officedocument.wordprocessingml.document |
| application/pdf | ||
| .ppt | Microsoft PowerPoint | application/vnd.ms-powerpoint |
| .pptx | Microsoft PowerPoint (OpenXML) | application/vnd.openxmlformats-officedocument.presentationml.presentation |
| .png 便携式网络图形 | （PNG） | image/png |
| .gif | GIF | image/gif |
| .jpeg | JPEG 图片 | image/jpeg |
| .jpg | JPEG 图片 | image/jpeg |
| .mp3 | MP3 音频 | audio/mpeg |
| .aac | AAC 音频 | audio/aac |
| .html | 超文本标记语言 (HTML) | text/html |
| .css | CSS | text/css |
| .js | JavaScript | text/javascript |
| .json | JSON 格式 | application/json |
| .abw | AbiWord 文档 | application/x-abiword |
| .arc | 存档文档(多个文件嵌入) | application/x-freearc |
| .avi | AVI: 音频视频交错 | video/x-msvideo |
| .azw | 亚马逊Kindle电子书格式 | application/vnd.amazon.ebook |
| .bin | 任何类型的二进制数据 | application/octet-stream |
| .bmp | Windows OS/2位图图形 | image/bmp |
| .bz | BZip 存档 | application/x-bzip |
| .bz2 | BZip2 存档 | application/x-bzip2 |
| .csh | C-Shell 脚本 | application/x-csh |
| .eot | MS嵌入式OpenType字体 | application/vnd.ms-fontobject |
| .epub | 电子出版物(EPUB) | application/epub+zip |
| .htm | 超文本标记语言 (HTML) | text/html |
| .ico | Icon 格式 | image/vnd.microsoft.icon |
| .ics | iCalendar 格式 | text/calendar |
| .jar | Java Archive (JAR) | application/java-archive |
| .jsonld | JSON-LD 格式 | application/ld+json |
| .mid | 乐器数字接口(MIDI) | audio/midi audio/x-midi |
| .midi | 乐器数字接口(MIDI) | audio/midi audio/x-midi |
| .mjs | JavaScript 模块 | text/javascript |
| .mpeg | MPEG 视频 | video/mpeg |
| .mpkg | 苹果安装程序包 | application/vnd.apple.installer+xml |
| .odp | OpenDocument演示文档 | application/vnd.oasis.opendocument.presentation |
| .ods | OpenDocument 电子表格文件 | application/vnd.oasis.opendocument.spreadsheet |
| .odt | OpenDocument 文本文档 | application/vnd.oasis.opendocument.text |
| .oga | OGG 音频 | audio/ogg |
| .ogv | OGG 视频 | video/ogg |
| .ogx | OGG | application/ogg |
| .otf | OpenType 字体 | font/otf |
| .rar | RAR 存档 | application/x-rar-compressed |
| .rtf | 富文本格式 (RTF) | application/rtf |
| .sh | Bourne shell 脚本 | application/x-sh |
| .svg | 可缩放矢量图形 (SVG) | image/svg+xml |
| .swf | 小型web格式 (SWF) or Adobe Flash document | application/x-shockwave-flash |
| .tar | Tape 归档(TAR) | application/x-tar |
| .tif | 标记图像文件格式 (TIFF) | image/tiff |
| .tiff | Tagged Image File Format (TIFF) | image/tiff |
| .ttf | TrueType 字体 | font/ttf |
| .txt | Text | text/plain |
| .vsd | Microsoft Visio | application/vnd.visio |
| .wav | 波形音频格式 | audio/wav |
| .weba | WEBM 音频 | audio/webm |
| .webm | WEBM 视频 | video/webm |
| .webp | WEBP 图片 | image/webp |
| .woff | 网页开放字体格式 (WOFF) | font/woff |
| .woff2 | 网页开放字体格式 (WOFF) | font/woff2 |
| .xhtml | XHTML | application/xhtml+xml |
| .xml | XML | application/xml（普通用户不可读）、text/xml（普通用户可读） |
| .xul | XUL | application/vnd.mozilla.xul+xml |
| .zip | ZIP | application/zip |
| .3g2 | 3GPP2 | audio/video 容器 video/3gpp2、audio/3gpp2（不含视频） |
| .7z | 7-zip | application/x-7z-compressed |
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