| .con |
Battlefield 1942 Configuration File |
| .csa |
PNA Code Calset File |
| .cld |
Canon CD Label Template |
| .cph |
Corel Print House File |
| .cps |
The Powder Toy Save File |
| .cvg |
Calamus Vector Graphic File |
| .cidb |
iTunes CD Information File |
| .chl |
WinFast PVR2 Channel List |
| .cap |
Packet Capture File |
| .cit |
Intergraph Bitmap Image File |
| .comicdoc |
Comic Life Document |
| .ccf |
CryptLoad Container File |
| .cm2 |
Poser Camera Set File |
| .cmz |
Compressed Poser Camera Set File |
| .clr |
Animate Color Set |
| .cd2 |
Click'N Design 3D File |
| .csd |
Steam Game Data Backup File |
| .cvn |
CineVision Encoding Session |
| .cl5 |
Easy CD Creator 5 Saved Project |
| .cd |
Visual Studio Class Diagram |
| .csm |
Character Studio Marker File |
| .crwl |
Windows Crawl File |
| .ccn |
Compressed Multimedia Fusion File |
| .can |
Canon Navigator Fax Document |