Unable to open old ai or pdf files
Mac OS Tahoe, Ai version 30.1. <-- just updated 12/22/25
I cannot open complete, editable Ai or PDF files created in older previous Ai versions. A message appears that Illustrator could only partially read the file. If I continue it creates a file that cannot be edited. Opening and editing files is CRITICAL to our print shop business.
Print Shop
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Taken the other report you made, I feel like something got corrupted when updating.
Please make a copy of you Preferences folder (in case the team need it later to investigate the issue) — should be located here:
<OSDisk>/Users/<username>/Library/Preferences/Adobe Illustrator <version number> Settings/<locale> (e.g. en_US)/Adobe Illustrator PrefsThen, reset the preferences — either with Reset Preferences button in Preferences > General dialog, or just by deleting the original folder (Ai would create it anew).
Please comment back if it help with this and your other issue, Tabs window not available in 30.1 (http://illustrator.uservoice.com/forums/601447/suggestions/50835512)
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This is what appears when I open an old illustrator or pdf file
