This unofficial AutoCAD history site is a service to fellow users
and trivia aficionados.
This site includes detailed command and system variables that have
changed with each release and even some screen shots of old release
material.
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Regards,
Shaan Hurley
shaan.hurley@autodesk.com
AutoCAD DWG Version History by Release for the past 20+ years
The first six bytes of a DWG file identify its version. In a DXF
file, the AutoCAD version number is specified in the header section.
The DXF system variable is $ACADVER.
| AC1021 | AutoCAD 2007/2008 |
| AC1018 | AutoCAD 2004/2005/2006 |
| AC1015 | AutoCAD 2000/2000i/2002 |
| AC1014 | Release 14 |
| AC1012 | Release 13 |
| AC1009 | Release 11/12 |
| AC1006 | Release 10 |
| AC1004 | Release 9 |
| AC1003 | Version 2.60 |
| AC1002 | Version 2.50 |
| AC1001 | Version 2.22 |
| AC2.22 | Version 2.22 |
| AC2.21 | Version 2.21 |
| AC2.10 | Version 2.10 |
| AC1.50 | Version 2.05 |
| AC1.40 | Version 1.40 |
| AC1.2 | Version 1.2 |
| MC0.0 | Version 1.0 |
AutoCAD 2008 can read DWG files back from AutoCAD version 2.0 released in 1984.
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