| .apl |
Monkey's Audio Track Information File |
| .apd |
ACDSee Photo Document |
| .accda |
Access Add-in File |
| .alp |
Ableton Live Pack File |
| .aplg |
Audials Plug-in |
| .aplp |
Audials Plug-in Package |
| .atx |
ArcGIS Attribute Index File |
| .aaui |
Acrobat User Interface File |
| .api |
Adobe Photoshop Inks File |
| .accdu |
Access Add-in File |
| .agmodule |
Adobe Lightroom Module |
| .assetproj |
Camtasia Studio Asset Information File |
| .afzplug |
AfterShot Pro Plugin Archive |
| .addon |
CFS Console Add-on File |
| .arpack |
ArtRage Package |
| .bundle |
Mac OS X Application Bundle |
| .bav |
AVG AntiVirus The Bat! Plugin File |
| .bro |
Broadleaf Tree Model |
| .bblm |
BBEdit Language Module |
| .bkz |
FileFort Backup File |
| .bzplug |
AfterShot Pro Plugin Bundle |
| .bri |
Bryce Plug-in File |
| .brm |
Bryce Plug-in File |
| .bmi |
3ds Max Plug-in |