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CAD tip CAD tip # 1739:

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Q - question

I have a set of DWG files which are not recognized by AutoCAD.

A - answer Please verify you are using the right (latest) version of AutoCAD to open the drawings (see DWG versions in Tip 868).

Your DWG files may also come from an old CAD application "DRAFIX" which has used the same extension but a completely different file format which is not readable by AutoCAD. Such "DWG" files start with binary (hex) values 04-05-00.

100% *  CAD 
21.11.2001    5653x  
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applies to: AutoCAD ·

See also:
Tip 10952:All DWG texts in UPPERCASE.
Tip 10926:Self-intersecting polylines and polylines with duplicate vertices.
Tip 10903:How to import an Illustrator file (.AI) into AutoCAD (.DWG)?
Tip 10804:What features are not available in the 32-bit version of AutoCAD 2017 and 2016?
Tip 10702:How to find which AutoCAD version was used to save a particular DWG drawing?

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How to repair improperly coded texts in AutoCAD? How to replace %%236-type codes with normal characters? « | » Older LISP programs are not working properly.

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