| .000 |
Indexing Service Data File |
| ._eml |
Windows Live Mail Email File |
| .3mm |
3D Movie Maker Movie Project |
| ._nws |
Windows Live Mail Newsgroup Copy File |
| .$01 |
DOS Pipe File |
| .386 |
Windows Virtual Device Driver |
| .asf |
Advanced Systems Format File |
| .asp |
Active Server Page |
| .aspx |
Active Server Page Extended File |
| .avi |
Audio Video Interleave File |
| .accdb |
Access 2007 Database File |
| .asmx |
ASP.NET Web Service File |
| .adp |
Access Project |
| .ani |
Windows Animated Cursor |
| .alx |
BlackBerry Application Loader XML File |
| .asd |
Word AutoSave File |
| .application |
ClickOnce Deployment Manifest File |
| .appref-ms |
Microsoft Application Reference File |
| .aw |
Answer Wizard File |
| .axd |
ASP.NET Web Handler File |
| .asax |
ASP.NET Server Application File |
| .ade |
Access Project Extension |
| .asm |
Assembly Language Source Code File |
| .asx |
Microsoft ASF Redirector File |