DWG

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File Format
Name DWG
Ontology
Extension(s) .dwg, .dwt
MIME Type(s) application/acad, application/x-acad, application/autocad_dwg, image/x-dwg, application/dwg, application/x-dwg, application/x-autocad, image/vnd.dwg, drawing/dwg
PRONOM fmt/531, others

DWG (AutoCAD Drawing) is the native binary file format for AutoDesk CAD products (AutoCAD, etc.).

Identifiers

Below is a list of DWG versions as identified with PRONOM, but more research is needed. Versions numbers reference

Version / Format Tag Ext. PRONOM
1.0 MC0.0 .dwg fmt/21
1.2 AC1.2 fmt/22
1.3 fmt/23
1.4 AC1.40 fmt/24
2.0 AC1.50 fmt/25
2.1 AC2.10 fmt/26
2.2 fmt/27
2.5 AC1002 fmt/28
2.6 AC1003 fmt/29
R9 AC1004 fmt/30
R10 AC1006 fmt/31
R11/12 AC1009 fmt/32
R13 AC1012 fmt/33
R14 AC1014 fmt/34
2000-2002 AC1015 fmt/35
2004-2006 AC1018 fmt/36
2007-2009 AC1021 x-fmt/455
2010/2011/2012 AC1024 fmt/434
2013/2014/2015/2016/2017 AC1027 fmt/531
2018/2019/2020/2021 AC1032 fmt/1395
Drawing Template .dwt x-fmt/51

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