| .c |
C/C++ Source Code File |
| .cur |
Windows Cursor |
| .cpl |
Windows Control Panel Item |
| .cfg |
Celestia Configuration File |
| .class |
Java Class File |
| .cs |
C# Source Code File |
| .crx |
Chrome Extension |
| .crdownload |
Chrome Partially Downloaded File |
| .cdr |
CorelDRAW vector graphics file |
| .cgm |
Computer Graphics Metafile |
| .cda |
CD Audio Track Shortcut |
| .chm |
Compiled HTML Help File |
| .crt |
Security Certificate |
| .cpt |
Corel Photo-Paint Image |
| .cvx |
Canvas Drawing File |
| .csf |
GeoMedia Coordinate System File |
| .catpart |
Proprietary CAD file format |
| .crd |
Guitar Tabs |
| .cpr |
Cubase Project |
| .ccd |
CloneCD Disc Image |
| .cdi |
INTEX Output File |
| .cr2 |
Canon Raw Image File |
| .cbz |
Comic Book Zip Archive |
| .caf |
Core Audio File |