JoeS09 Posted April 8, 2021 Share Posted April 8, 2021 I have been saving DFX files in AutoCAD 2018 in the following DFX formats - 2018, R2, 2000. Is there any way of finding out which of these formats is used in any DXF file? Quote Link to comment Share on other sites More sharing options...
tombu Posted April 8, 2021 Share Posted April 8, 2021 https://forums.autodesk.com/t5/autocad-forum/how-to-find-version-what-version-dxf-format-we-are-saving-the/m-p/2442367#M334861 Open the DXF file in Notepad and look at the 2nd line under $ACADVER at the top of the file If R12 DXF then it = AC1009 If 2000 DXF then it = AC1015 If 2004 DXF then it = AC1018 If 2007 DXF then it = AC1021 You can also do the same test with a DWG file to see its version. 1 Quote Link to comment Share on other sites More sharing options...
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