CorelCAD
From Just Solve the File Format Problem
CorelCAD was originally released in 1996[1][2][3], but quietly disappeared the next year. It was later re-introduced in 2011 by Corel[4].
File Information
- Original CorelCAD saved drawing based on the "OLE2" document container format.
- Current CorelCAD saves drawings in the AutoCAD DWG format.