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Issue with dwg files

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=11480
Printed Date: 31.May.2026 at 23:13


Topic: Issue with dwg files
Posted By: diego.soler
Subject: Issue with dwg files
Date Posted: 17.Nov.2015 at 13:06
Hello experts,

I have a dwg file that is corrupted or encrypted and I need to fix it.

Is there any tool I can use to check the integrity of the dwg files.


Replies:
Posted By: John Connor
Date Posted: 17.Nov.2015 at 15:38
There is a big difference between a corrupted drawing and one that is encrypted.

If a drawing is corrupted then try using the RECOVER command to open it.  If the drawing can be opened but not saved for some reason then try using the Overkill, -Purge (Regapps then All) and Audit commands on it to clean it up.  Once you do then maybe, just maybe you can save it but I'd recommend saving it under a different name.

If the drawing is encrypted (do you mean password protected?) then kiss it goodbye because you aren't going to open it.  Period.


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"Humans have a strength that cannot be measured. This is John Connor. If you are reading this, you are the resistance."

<<AutoCAD 2015>>

Posted By: diego.soler
Date Posted: 19.Nov.2015 at 11:20
The RECOVER command did not help. the file is not opened.

Posted By: Vladimir Michl
Date Posted: 19.Nov.2015 at 11:28
If the drawing is encrypted by password protection, it will politely ask for a password on open.

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

Posted By: John Connor
Date Posted: 19.Nov.2015 at 11:34
Who gave you the drawing?


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"Humans have a strength that cannot be measured. This is John Connor. If you are reading this, you are the resistance."

<<AutoCAD 2015>>

Posted By: kristensenn
Date Posted: 19.Nov.2015 at 14:21
Maybe a quick check suggested by the principal themselves with various steps 

http://knowledge.autodesk.com/support/autocad/troubleshooting/caas/sfdcarticles/sfdcarticles/AutoCAD-File-Corruption.html" rel="nofollow -

Otherwise, try using  DWG Recovery Toolbox s/w just to make the file legitimacy for recovery chances of prev copies.   http://www.oemailrecovery.com/dwg_recovery.html" rel="nofollow -

Hopefully from Autocad autosave by default, it should have saved dwg file automatically with ac$ as default extension, and if we can just find the *.ac$ file and change ac$ to dwg. There may be slight chance. The AutoCAD's autosave file is saved in this folder: C:\Users\[User Name]\appdata\local\temp\. typically.

Posted By: kristensenn
Date Posted: 19.Nov.2015 at 14:24
Look at it this resource. Perhaps you will find there more useful information.
http://www.instructables.com/answers/Autocad-CorruptInvalid-File/" rel="nofollow -

Posted By: John Connor
Date Posted: 19.Nov.2015 at 19:24
diego: Attach a copy of the drawing to your next post.  Maybe someone here will have better luck unless of course it is encrypted in which case neither you nor anyone else here will be able to open it without the password.


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"Humans have a strength that cannot be measured. This is John Connor. If you are reading this, you are the resistance."

<<AutoCAD 2015>>

Posted By: diego.soler
Date Posted: 29.Nov.2015 at 22:09
Thank you guys for your feedback and help. Sorry, that long time did not respond. This is because the issue was solved and I forgot to tell.) Thank you!


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