| .CAL | Newera Software Technology, Inc. | Fişiere de imagini rastru | CALS Raster File | CorelDRAW Graphics Suite | Corel |
| .CALS | Newera Software Technology, Inc. | Fişiere de imagini rastru | CALS Raster File | CorelDRAW Graphics Suite | Corel |
| .CCK | U.S. Department of Energy | Fişiere de date | COMcheck Data File | CorelDRAW Graphics Suite | Corel |
| .CCX | Clickteam | Fişiere plugin | Click & Create Extension | CorelDRAW Graphics Suite | Corel |
| .CDR | Corel | Fişiere de imagini vectoriale | CorelDRAW Vector Image File | CorelDRAW Graphics Suite | Corel |
| .CDT | Sony | Fişiere de imagini de disc | CD-Text File | CorelDRAW Graphics Suite | Corel |
| .CDX | Microsoft Corporation | Fişiere de date | Compound Index File | CorelDRAW Graphics Suite | Corel |
| .CFT | Walt Disney Animation Studios | Fișiere grafice | CFast Graphics | CorelDRAW Graphics Suite | Corel |
| .CIK | Corel | Fişiere de setări | Corel Graphics 10 Custom Dual Tone File | CorelDRAW Graphics Suite | Corel |
| .CLK | Corel | Fişiere de date | Corel R.A.V.E Project File | CorelDRAW Graphics Suite | Corel |
| .CLY | Corel | Fişiere de setări | CorelDRAW Custom Layout | CorelDRAW Graphics Suite | Corel |
| .CMP | Microsoft Corporation | Fişiere de setări | Windows Connection Manager Profile | CorelDRAW Graphics Suite | Corel |
| .CMX | Corel | Fişiere de imagini vectoriale | Corel Metafile Exchange Image File | CorelDRAW Graphics Suite | Corel |
| .CMY | Corel Corporation | Fişiere de date | CorelDRAW Custom File | CorelDRAW Graphics Suite | Corel |
| .COR | Trimble Inc. | Fişiere GIS | Trimble Corrected SSF File | CorelDRAW Graphics Suite | Corel |
| .CPD | Adobe Systems Incorporated | Fişiere de date | RoboHelp Cache Project Database | CorelDRAW Graphics Suite | Corel |
| .CPL | Microsoft Corporation | Fişiere de sistem | Windows Control Panel Item | CorelDRAW Graphics Suite | Corel |
| .CPT | Corel | Fişiere de imagini rastru | Corel Photo-Paint Image | CorelDRAW Graphics Suite | Corel |
| .CPX | Oracle Corporation | Fişiere de setări | Oracle ADF Binding Context File | CorelDRAW Graphics Suite | Corel |
| .CRW | Canon Inc. | Fișiere imagine RAW | Canon Raw CIFF Image File | CorelDRAW Graphics Suite | Corel |
| .CSB | Corel | Fişiere de programator | Corel PHOTO-PAINT Script | CorelDRAW Graphics Suite | Corel |
| .CSC | Corel | Fişiere de programator | Corel Script File | CorelDRAW Graphics Suite | Corel |
| .CSI | ContentServ | Fişiere de programator | ContentServ Include File | CorelDRAW Graphics Suite | Corel |
| .CV | Microsoft Corporation | Fişiere de date | CodeView Data File | CorelDRAW Graphics Suite | Corel |
| .CWF | Corel Corporation | Fişiere de setări | CorelDRAW Workspace File | CorelDRAW Graphics Suite | Corel |
din 1 
