Issues Saving InDesign Documents to External Drive and Book on MacBook Pro M1 Max
I am working locally on a MacBook Pro with M1 Max Pro on Monterey version 12.6 using InDesign 2023 18.0
I created a Book and have created documents to add to the book. Both are saved on an external hard drive. I had no problems with InDesign 2021 with these same activities last year in October.
When I try to add the documents to the book, I get an error message telling me that the documents are locked and cannot be added to the book.
When I edit my documents, I am unable to save or save as. When I save, it refuses and gives me an error message suggesting that the documents are open in another app and suggests that I save as. When I save as, the error message save that an attempt was made, but the document appears damaged.
I have tried to revert to previous versions without success. I cannot either amend old files or create new ones.
I tried also to download InDesign onto Windows 11 that I am dual booting without success.
This problem has completely stalled progress on my project for days.
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