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opening dxf

Printed From: CAD Forum
Category: EN
Forum Name: AutoCAD
Forum Description: Discussion about AutoCAD and AutoCAD LT, viewers, DWG and DWF formats, Design Review, AutoCAD 360, add-ons
URL: https://www.cadforum.cz/forum_en/forum_posts.asp?TID=13677
Printed Date: 31.May.2026 at 20:08


Topic: opening dxf
Posted By: dinamo
Subject: opening dxf
Date Posted: 09.Feb.2022 at 00:11
hope someone can help im trying to open dxf files   as need to convert them into a cad version that i can open with artcam pro 9.1    but i have tried 2 auto cads and neither will open the dxf file  

is there a way of finding which version created the document 


Replies:
Posted By: Vladimir Michl
Date Posted: 09.Feb.2022 at 07:48
There are many DXF files which are not formatted properly. But a DXF file (text-based) should start with something like this:

  0
SECTION
  2
HEADER
  9
$ACADVER
  1
AC1009

and the "AC1009" (or similar) will match the AutoCAD version - see https://www.cadforum.cz/en/qaID.asp?tip=868

But any newer version of AutoCAD will open properly formatted DXF and DWG files from an older version.



-------------
Vladimir Michl (moderator)
ARKANCE - https://arkance.world" rel="nofollow - https://arkance.world - Autodesk Platinum Partner

Posted By: dinamo
Date Posted: 15.Feb.2022 at 00:07
Thanks for your reply. I have looked at file using notepade and it all looks similar to what you posted but no matter what cad I try it fails errors saying drawing not found and closes

Posted By: Vladimir Michl
Date Posted: 17.Feb.2022 at 09:00
Well, the Autodesk DXF format specification is quite wide - if a DXF file does not conform with that specification, it probably won't be readable for AutoCAD.

-------------
Vladimir Michl (moderator)
ARKANCE - https://arkance.world" rel="nofollow - https://arkance.world - Autodesk Platinum Partner


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