Upgraded to Monterrey, Using photos to upgrade iPhoto Library but ends with "The library could not be opened. Photos was unable to open the library "iPhoto Library". (3127)"

Question

Level 1

20 points

Working iPhoto library in High Sierra

Upgraded to Monerrey

Using Photos with option key to convert iPhoto library

It started the process, created a new directory called iPhoto Library.photoslibrary_prepare

but then ends with the error

"The library could not be opened. Photos was unable to open the library "iPhoto Library" (3127)"

Posted on Dec 27, 2023 10:00 PM

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Answer 1

Level 10

166,598 points

Dowmlaod iPhoto Library Manager from here:

And use it to rebuild the iPhoto Library. Read the documentation carefully first, especially here:

This will create a new library with the same images as the damaged one, then try migrate that to Photos.

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Answer 2

Level 10

166,598 points

Where is the library stored? If on an external disk, what format is that, and how are you connected to it?

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Answer 3

Level 1

20 points

Thanks - it’s on the local hard drive of MacBook Pro.

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