| cac | DB/TextWorks SQL Access Control File |
| calcinit | Calc Init Script |
| calcrc | Calc Runtime Configuration |
| caos | CanOpener Preference |
| cav | CAView Configuration |
| cboard | Final Cut Pro Color Board Preset |
| cbq | StarOS Class Based Queuing Script |
| cc | KODAK Camera Color Control Profile |
| ccctask | Carbon Copy Cloner Task Configuration |
| ccf | Lotus Symphony Communications Configuration |
| ccfg | BartPE Configuration |
| ccn | Eclipse HX Project Configuration |
| ccr | Eclipse Production Maestro Conference Configuration |
| cdadj | Cyberlink ColorDirector Presets |
| cdd | Balder Multiboot Configuration |
| ced | VisionTools Pro-E Smart Graphic Configuration |
| ceid | FreeAgent DockStar Configuration |
| cf | General Configuration |
| cf | Sendmail M4 Configuration File |
| cf3 | Source Insight Project Settings Data |
| cfg | General Configuration |
| cfg | MAME Configuration |
| cfg | RMCProfile Configuration Data |
| cfg | Zemax Configuration Data |
| cfgv | MC Command Center Settings Data |
| cfi | Xilinx iMPACT Configuration |
| cfp | Symantec Client Firewall Policy Data |
| cfpreset | Color Finesse for Adobe After Effects Preset |
| cfu | Symantec Client Firewall Update Policy Data |
| cgsyn | Code-Genie Syntax Definition Data |
| cgv | OSLay Parameters Data |
| cha | mIRC Chat Settings |
| chat | mIRC Chat Settings |
| chl | WinFast PVR Channel List |
| cis | CheckInbox Settings |
