| .3dc |
RacerMate 3D Course File |
| .3dt |
3D Topicscape File |
| .asc |
PGP ASCII Armored File |
| .an8 |
Anim8or File |
| .aty |
Association Type Placeholder |
| .bak |
Firefox Bookmarks Backup |
| .bnk |
Adlib Instrument Bank |
| .cs |
C# Source Code File |
| .csf |
GeoMedia Coordinate System File |
| .cpr |
Cubase Project |
| .ctf |
WhereIsIt Catalog File |
| .cdf |
Computable Document Format File |
| .cdp |
Trainz Simulator Content Dispatcher Pack |
| .cxf |
Picasa Collage File |
| .dat |
Data File |
| .dex |
Dalvik Executable File |
| .dba |
CryENGINE Animation Database File |
| .dbo |
DarkBASIC Object |
| .ddt |
Football Manager Keep Player Data File |
| .dbpro |
DarkBASIC Professional Project File |
| .dx |
DEC WPS Plus File |
| .efx |
eFax Document |
| .erp |
Alter Ego Game Archive |
| .fpm |
FPS Creator Map File |