KeyCAD
From Just Solve the File Format Problem
KeyCAD Complete & KeyCAD Pro was inexpensive CAD/Modeling software produced by Softkey for Macintosh and Windows.[1][2] Earlier DOS version may have had KCF extension. Later versions produced by the Learning Company who bought Softkey.[3]
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File Information
KeyCAD version 1 for Windows and Macintosh have the same format. KeyCAD for Windows version 2 is different but still uses same extension. Macintosh files have similar format to Windows versions.[4]
- KEY are drawing files.
- SYM are symbol files.
KeyCAD for Windows 3 uses a new format using extension KCW which is a Microsoft Compound File. No longer uses symbol files.
Format Information
- KEY & SYM version 1 files have the hex values
00000064for the first 4 bytes. - KEY & SYM version 2 files have the hex values
00000096for the first 4 bytes.
KEY files seem to end with hex values 0190
