| crr | Cgatools CRR File |
| crr | SVAL Correction Data |
| crs | CompuTrainer Chart Screen |
| crs | Corel WordPerfect Conversion Resource Data |
| crs | Document Conversion Resource |
| crs3 | OmniPage Lite Data |
| crt | Oracle Terminal Settings Information |
| crtx | Microsoft Excel 2007 Custom Chart Template |
| crv | ANSYS TurboGrid Curve File |
| crv | Corel Photo-Paint Custom Gradients Data |
| crv | Programmable Curves Data |
| crw | CHARTrunner Workspace |
| crw | Crossword Genius Crossword Puzzle Data |
| crwl | Windows Search Crawl Data |
| crypt | WhatsApp Stored Messages |
| crypt1 | WhatsApp Encrypted Database |
| crypt10 | WhatsApp Stored Messages |
| crypt11 | WhatsApp Stored Messages |
| crypt12 | WhatsApp Stored Messages |
| crypt14 | WhatsApp Encrypted Database |
| crypt15 | WhatsApp Encrypted Database |
| crypt5 | WhatsApp Stored Messages |
| crypt6 | WhatsApp Stored Messages |
| crypt7 | WhatsApp Stored Messages |
| crypt8 | WhatsApp Stored Messages |
| crypt9 | WhatsApp Stored Messages |
| crypted | Ashampoo WinOptimizer Encrypted Data |
| cryptra | Cryptra One Time Pad Encrypted File |
| crz | FScruiser Cruise Record Data |
| crz | Poser Compressed Character |
