AutoCAD Drawing File Is Not Valid
AutoCAD is a welcome 2D and 3D computer-aided design software software.
It is available for macOS, Windows, Android, and iOS.
Though it is convenient, several people are troubled by the problem that theAutoCAD drawing file is not valid.
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Why does this error occur?
How can you fix this problem?
Seeking for answers in the following content.

Otherwise, try them in sequence to find one that works best for you.
Way 1.
Find the Auto-Backup Files
Typically, AutoCAD will create a backup file when you create a new file.
Go to the file save location to find the BAK file of the problematic file.
Then, you’re able to rename the BAK file by changing the file extension from.bakto.dwg.
Afterward, double-press the BAK file to see if it can be opened by AutoCAD properly.
Launch AutoCAD and typeRECOVERinto the command line box in the main interface.
In the prompt window, you’re able to navigate to the target corrupted file.
Select it and clickOpen.
Now, it’s possible for you to just wait for AutoCAD to complete the file repair process.
Then, it’s possible for you to have a go at initiate the DWG file again.
Way 3.
MiniTool Power Data Recoveryis recommended owing to its wide compatible file formats and robust data recovery algorithm.
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Step 1.
Launch the software and choose the target partition to scan.
If you remember the specific location, it’s possible for you to scan the folder by choosingSelect Folder.
Wait for the scan process to complete.
Step 3. grab the required DWG files and recover them to a new destination.
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Way 4.
If you are troubled by this problem, I do hope this post can give you some feasible advice.