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CAD tip CAD tip # 868:

Question CAD 
 %  platform  category 
Q - question

How to find drawings coming from a given version of AutoCAD?

A - answer (or how to find which AutoCAD Release has generated given DWG file)

You can use the Find Files function in Windows (Start button). Enter *.DWG as file name in the Advanced tab enter text:

  • MC0.0 - DWG from Rel. 1.1
  • AC1.2 - DWG from Rel. 1.2
  • AC1.4 - DWG from Rel. 1.4
  • AC1.50 - DWG from Rel. 2.0
  • AC2.10 - DWG from Rel. 2.10
  • AC1002 - DWG from Rel. 2.5
  • AC1003 - DWG from Rel. 2.6
  • AC1004 - DWG from Rel.9
  • AC1006 - DWG from Rel.10
  • AC1009 - DWG from Rel.11/12 (or LT R1/R2)
  • AC1012 - DWG from Rel.13 (or LT95)
  • AC1014 - DWG from Rel.14, 14.01 (or LT97/LT98)
  • AC1015 - DWG from AutoCAD 2000/2000i/2002 (or LT, Map or relative Desktop version)
  • AC1018 - DWG from AutoCAD 2004/2005/2006 (or other product in the "2004", "2005" or "2006" family)
  • AC1021 - DWG from AutoCAD 2007/2008/2009 (or other product of the "2007", "2008" and "2009" families)
  • AC1024 - DWG from AutoCAD 2010/2011/2012 (or other product of the "2010", "2011" and "2012" families)
  • AC1027 - DWG from AutoCAD 2013/2014/2015 (or other product of the "2013", "2014" and "2015" families)

There are also other, internal file versions: AC1001=pre-2.5, AC1005=pre-R10, AC1007=pre-R11, AC1008=pre-R11, AC1010=pre-R13a, AC1011=pre-R13b, AC1013=pre-R14, AC1500=pre-2000, AC402a=pre-2004a, AC402b=pre-2004b

You can also text-view your DWG file and look at the string at the beginning of your file. Or you can use the DWGinfo utility available at www.cadstudio.cz/download.

To visually identify .DWG file version by its icon in Windows Explorer you can use the DWGicon shell extension (see http://www.cushat.co.uk/fw/di/ [URL verified 9/2004]).

ACADLTADTMapMDT
100% *  CAD 
8.1.2001    73935x   FAQ  
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See also:
Tip 9968:Batch conversion of CAD files from/to the IPT/IAM, STEP, IGES, SAT, Catia... formats
Tip 9917:Cannot create terrain model from attached point cloud in AutoCAD Civil 3D 2015.
Tip 9852:How to convert 3D CAD solids to Revit parametric BIM families?
Tip 9778:Overview of CAD formats supported in Inventor 2015 (import/export).
Tip 9757:How to remove the EDU stamp "Created in an educational version" from a DWG drawing file?


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