| .ch3 |
Harvard Graphics DOS Chart File |
| .case |
SlipCover Case Template |
| .cem |
Children of the Nile Model File |
| .chesstitanssave-ms |
Microsoft Chess Titans Saved Game |
| .crysisjmsf |
Crysis Saved Game |
| .crysispsf |
Crysis Warhead Saved Game |
| .c2u |
Texas Instruments CBL 2 OS File |
| .dat |
Data File |
| .db |
Mobile Device Database File |
| .dll |
Dynamic Link Library |
| .dmg |
Mac OS X Disk Image |
| .doc |
Microsoft Word Document |
| .drv |
Device Driver |
| .dng |
Digital Negative Image File |
| .dwg |
AutoCAD Drawing Database File |
| .dbf |
Database File |
| .dem |
Video Game Demo File |
| .dds |
DirectDraw Surface |
| .dtd |
Document Type Definition File |
| .dmp |
Windows Memory Dump |
| .deb |
Debian Software Package |
| .dcr |
Shockwave Media File |
| .deskthemepack |
Windows 8 Desktop Theme Pack File |
| .dbx |
Outlook Express E-mail Folder |