| Extension | Description | O/S | Type | Notes/Comments |
|---|---|---|---|---|
| abe | ASCII-Binary Encoding | Unix | B | encodes binary files (executables, for instance) for transmission over text only (Email) channels |
| arc | archive | DOS | B | pkarc, arc |
| arj | archive | DOS | B | arj |
| bin | MacBinary | Mac | B | Stuffit |
| c | C Source Code | Any | A | ASCII Text |
| com | program | DOS | B | executable |
| cpt | ||||
| doc | ||||
| eps | ||||
| exe | ||||
| gif | ||||
| gz | ||||
| hqx | ||||
| jpg, jpeg, jpe | ||||
| lha, lhz | ||||
| mpg, mpe, mpeg | ||||
| pit | ||||
| ps | ||||
| sea | ||||
| shar | ||||
| sit | ||||
| tar | ||||
| tgz | ||||
| txt | ||||
| uu, uue | ||||
| wp | ||||
| z | compressed | Unix | B | Unix pack format |
| Z | compressed | Unix | B | Unix compress format |
| zip | ||||
| zoo | ||||
