Common Text File Extensions
| File Extension | File Type |
|---|---|
| .3da | 3D Assembly File |
| .1 | Unix Section 1 Man Page |
| .4th | Forth Language File |
| .1st | Readme File |
| ._playmusicid | Google Play Music ID File |
| .8st | 8start Launcher File |
| .3don | Scrutinize 3D Mesh File |
| .ai | Adobe Illustrator File |
| .asp | Active Server Page |
| .aspx | Active Server Page Extended File |
| .avs | AVS Preset File |
| .as | ActionScript File |
| .alx | BlackBerry Application Loader XML File |
| .appref-ms | Microsoft Application Reference File |
| .avx | Avid Plugin File |
| .asc | PGP ASCII Armored File |
| .asax | ASP.NET Server Application File |
| .aux | LaTeX Auxiliary File |
| .asy | Asymptote Module |
| .ale | Avid Log Exchange File |
| .avp | Avid Project File |
| .a5w | Alpha Five Webpage File |
| .adcp | Adobe Device Central Project File |
| .a2l | ASAP2 ECU Description File |