| .cht |
Emulator Cheat File |
| .cxt |
CX-Programmer Project Text File |
| .cct |
Director Protected Cast Resource |
| .clix |
CLIX Command File |
| .colorpicker |
Color Picker Plugin |
| .cgp |
PixelCryptor Encrypted File |
| .cb7 |
CB7 compression algorithm archive file |
| .cpmz |
Miradi/ConPro Project File |
| .cm |
CLEO Custom Mission |
| .chml |
Chameleon Encrypted Database File |
| .cmbl |
Logger Pro Data File |
| .ck9 |
Cook'n Cookbook Backup File |
| .cl4 |
Easy CD Creator 4 Project File |
| .cfge |
Jewel Quest Configuration File |
| .cos2 |
Pinnacle Studio Cache File |
| .cfr |
Cross Fire Replay File |
| .cvf |
CPU-Z Validation File |
| .cdc |
AutoCAD DesignCenter Preview Cache File |
| .cimg |
CImg Image File |
| .collection |
Adobe Bridge Collection File |
| .crashed |
AbiWord Crash-Saved Document |
| .cvt |
Canvas External Tool File |
| .cedprj |
Ashampoo CoverEditor Project |
| .ccscc |
ClearCase Source Control Info File |