File extensions that begin with C ... CDF Virtual worlds CDR CorelDRAW vector graphics CDT CorelDRAW template CDT CD Text CDT Corel DESIGNER template CDX CorelDRAW compressed drawing CDX FoxPro ...

Corel DESIGNER was a very sophisticated vector graphics program providing many features of a CAD program, including layers and dimensioning. DESIGNER generated its own file types (DRW, DS4 and DSF ...