| .crec |
Lync Video File |
| .coverage |
Visual Studio Code Coverage Report |
| .comfycakessave-ms |
Comfy Cakes Saved Game |
| .chs |
Windows Chinese Noise-Word List File |
| .chesstitanssave-ms |
Microsoft Chess Titans Saved Game |
| .cv |
CodeView Data File |
| .dat |
Data File |
| .db |
Mobile Device Database File |
| .dll |
Dynamic Link Library |
| .doc |
Microsoft Word Document |
| .dds |
DirectDraw Surface |
| .dmp |
Windows Memory Dump |
| .docx |
Microsoft Word Open XML Document |
| .deskthemepack |
Windows 8 Desktop Theme Pack File |
| .dbx |
Outlook Express E-mail Folder |
| .dot |
Word Document Template |
| .dvr-ms |
Microsoft Digital Video Recording |
| .dif |
Data Interchange Format |
| .dotx |
Word Open XML Document Template |
| .dex |
Dalvik Executable File |
| .dt2 |
Windows Live Messenger Emoticon Image File |
| .dlx |
DIALux Document |
| .dsp |
Dynamic Studio Professional Module |
| .dsw |
Visual C++ 6 Workspace File |