| 241. | .cpo | Graphics (Corel Print Office) |
| 242. | .cpp | C++ language source code file ◊ Presentation (CA-Cricket Presents) |
| 243. | .cpr | Presentation (Corel Presents) |
| 244. | .cps | Backup of startup files (QEMM) ◊ Central Point PC Tools Backup ◊ Color PostScript |
| 245. | .cpt | Bitmap graphics (Corel PhotoPaint) ◊ Compressed Macintosh file archive (Compact Pro) ◊ Encrypted memo file (dBASE) ◊ Template (CA-Cricket Presents) |
| 246. | .cpx | Compressed drawing (Corel Presentation Exchange) |
| 247. | .cpy | Data file (Copy Books) |
| 248. | .cpz | Music text file (COMPOZ) |
| 249. | CPSR | Computer Professionals for Social Responsability See also: Computer Professionals for Social Responsability |
| 250. | .cr | Dictionary (Crystal Reports) |
Top 10 
Feedback