Illustrator "File Is Damaged" or Can't Open AI File
Quick answer
When Illustrator says a file is damaged, partially read or cannot open, try opening with PDF compatibility, open it in Acrobat, check fonts and cloud-sync conflicts, and look for .tmp recovery files.
Most likely fix: Open it another way
How to fix it
Try these in order — the most common fix is first.
1. Open it another way
- Open the .ai file in Adobe Acrobat to see if the PDF layer shows the art
- In Illustrator use File > Open and choose PDF compatibility if prompted
- Rename the file extension to .pdf and open it in Illustrator or Acrobat
Did this fix it?2. Check fonts and version
- Disable or remove the fonts used in the file and try again; users fixed corrupted-file errors this way
- Open the file in the Illustrator version it was made in, re-save, then open in the current one (one Corel-exported file only opened after this)
Did this fix it?3. Look for recovery data
- Check the save folder for a .tmp file: one user recovered nearly all work from it
- Look in the Data Recovery folder set in Preferences > File Handling & Clipboard
Did this fix it?4. Reset and test in Safe Mode
- Reset preferences and run Safe Mode before assuming the file is lost; some users found resets did not help, which points to real file damage
- Next time save to a local drive and keep versioned copies
Did this fix it?
Symptoms
Messages like "The file is damaged and could not be repaired", "Illustrator could only partially read this file" or "Illustrator could not open this file, it is too damaged to recover".
Why it happens
- Save interrupted by a crash or a cloud-sync/network drive
- File saved without PDF compatibility
- Damaged or conflicting fonts
- File made in another app (for example CorelDRAW) or a newer/older Illustrator version
- Bad preferences or plug-ins
This guide also covers
- illustrator file is damaged
- illustrator could only partially read this file
- illustrator can't open ai file
- illustrator file too damaged to recover
- illustrator unable to open file
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