| cpd | SmartWare Compiled Printer Descriptor |
| cpf | CaseMap Portable Format Data |
| cpf | CircuitCAM Manufacturing Process Definition Data |
| cpg | 3Dize Cool Page Tutorials Data |
| cpg | CATS PG File |
| cpg | Manga Studio Page Data |
| cpglog | Motorola Codeplug Session Log |
| cpi | Lifo-Pro Consumer Price Index |
| cpi | MS-DOS Code Page Information |
| cpixml | iTWO Construction Process Integration XML |
| cpl | Tekla Structures Contour Plate Properties |
| cpl | TINA Complex Parameter List |
| cpl | TrialDirector Concordance Data |
| cpq | Exam Essentials Exam Data |
| cpr | Adobe Captivate Preferences Data |
| cpr | Cubase Project |
| cprr | Adobe Captivate XML Recording Script |
| cps | Adobe Captivate Styles Data |
| cps | Classroom Performance System Data |
| cps | QEMM Backup Data |
| cpt | Casio WK-1800 Pattern Sequerncer Pattern |
| cpt | Ccrypt Encrypted File |
| cpt | dBASE Encrypted Memo Data |
| cpt | Mail.dat Component File |
| cpt2 | M-Tron Pro Library |
| cptl | Adobe Captivate 5 Template |
| cptm | Adobe Captivate Theme Data |
| cpu | SiSoftware Sandra File |
| cpuprofile | Google Chrome DevTools CPU Profile Data |
| cpv | Serena PVCS Logfile |
