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.
- Version 1.0 (Release 1) – December 1982
- Version 1.2 (Release 2) – April 1983
- Version 1.3 (Release 3) – August 1983
- Version 1.4 (Release 4) – October 1983
- Version 2.0 (Release 5) – October 1984
- Version 2.1 (Release 6) – May 1985
- Version 2.5 (Release 7) – June 1986
- Version 2.6 (Release
– April 1987 - Release 9 – September 1987
- Release 10 – October 1988
- Release 11 – October 1990
- Release 12 – June 1992 (last release for Apple Macintosh)
- Release 13 – November 1994 (last release for Unix, MS-DOS and Windows 3.11)
- Release 14 – February 1997
- AutoCAD 2000 (R15.0) – March 1999
- AutoCAD 2000i (R15.1)- July 2000
- AutoCAD 2002 (R15.6) – June 2001
- AutoCAD 2004 (R16.0) – March 2003
- AutoCAD 2005 (R16.1) – March 2004
- AutoCAD 2006 (R16.2) – March 2005
- AutoCAD 2007 (R17.0) – March 2006
- AutoCAD 2008 (R17.1) – March 2007
P.S : AutoCAD 2008 can read DWG files back from AutoCAD version 2.0 released in 1984.
From : wikipedia
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