Unofficial AutoCAD History Pages
To find the version of a .DWG file, open the file in Notepad or some other ASCII or HEX editor and read the first six bytes, then reference this table.
AC1021 = 2007
AC1018 = 2004, 2005, 2006
AC1015 = 2002, 2000i, 2000
AC1014 = 14
AC1012 = 13
AC1009 = 12, 11
AC1006 = 10
AC1004 = 9
AC1002 = 2
While we are at it, how about a Windows history lesson...
(Green = 16bit , Gray = 16/32 bit , Orange = 32bit , Purple = 64bit)
11-1985 - Windows 1.01
11-1987 - Windows 2.02
04-1988 - Windows 2.10 (286/386)
03-1989 - Windows 2.11 (286/386)
05-1990 - Windows 3.0
04-1992 - Windows 3.1
10-1992 - Windows for Workgroups 3.1
07-1993 - Windows NT 3.1
12-1993 - Windows 3.11
12-1993 - Windows for Workgroups 3.11
09-1994 - Windows NT 3.5
05-1995 - Windows NT 3.51
08-1995 - Windows 95
08-1996 - Windows NT 4.0
06-1998 - Windows 98
06-1999 - Windows 98 SE
02-2000 - Windows 2000
09-2000 - Windows ME
10-2001 - Windows XP
04-2005 - Windows XP x64
PermaLink Posted 7/23/2005 09:05:00 AM
0 COMMENTS!