AutoCAD Release History
| AutoCAD Release History |
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.
- AutoCAD 2009 (Release 23)
- AutoCAD 2008 (Release 22)
- AutoCAD 2007 (Release 21)
- AutoCAD 2006 (Release 20)
- AutoCAD 2005 (Release 19)
- AutoCAD 2004 (Release 18)
- AutoCAD 2002 (Release 17)
- AutoCAD 2000i (Release 16)
- AutoCAD 2000 (Release 15)
- AutoCAD Release 14
- AutoCAD Release 13
- AutoCAD Release 12
- AutoCAD Release 11
- AutoCAD Release 10
- AutoCAD Release 9
- AutoCAD Version 2.6 (Release 8)
- AutoCAD Version 2.5 (Release 7)
- AutoCAD Version 2.1 (Release 6)
- AutoCAD Version 2.0 (Release 5)
- AutoCAD Version 1.4 (Release 4)
- AutoCAD Version 1.3 (Release 3)
- AutoCAD Version 1.2 (Release 2)
- AutoCAD Version 1.0 (Release 1)
AutoCAD DWG Version History by Release for the past 25+ 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 2007/2008/2009 |
| 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 2009 can read DWG files back from AutoCAD version 2.0 released in 1984.



Hi,
that's very interesting. Greetings fron Germany.
SMB
Posted by: SMB | 25 March 2008 at 00:48