| Type | Meaning |
| application/msword | Microsoft Word document |
| application/octet-stream | Unrecognized or binary data |
| application/pdf | Acrobat (.pdf) file |
| application/postscript | PostScript file |
| application/vnd.lotus-notes | Lotus Notes file |
| application/vnd.ms-excel | Excel spreadsheet |
| application/vnd.ms-powerpoint | PowerPoint presentation |
| application/x-gzip | Gzip archive |
| application/x-java-archive | JAR file |
| application/x-java-serialized-object | Serialized Java object |
| application/x-java-vm | Java bytecode (.class) file |
| application/zip | Zip archive |
| audio/basic | Sound file in .au or .snd format |
| audio/midi | MIDI sound file |
| audio/x-aiff | AIFF sound file |
| audio/x-wav | Microsoft Windows sound file |
| image/gif | GIF image |
| image/jpeg | JPEG image |
| image/png | PNG image |
| image/tiff | TIFF image |
| image/x-xbitmap | X Windows bitmap image |
| text/css | HTML cascading style sheet |
| text/html | HTML document |
| text/plain | Plain text |
| text/xml | XML |
| video/mpeg | MPEG video clip |
| video/quicktime | QuickTime video clip |