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Level 1

8 points

photos.app library from High Sierra can't open in Mojave

How does one open an older Photos library from High Sierra into a Mojave desktop?

iMac 21.5″, macOS 10.12

Posted on Oct 7, 2021 11:28 AM

Top-ranking reply

Level 7

23,909 points

Posted on Oct 7, 2021 1:38 PM

hold down the option key while starting photos. Select the old library to open.

It will be upgraded for Mojave - you might want to back it up first, so you can go back to it if needed.

If it is on an external drive - is the drive formatted APFS or MacOS exteneded (journaled). If not, the library needs to be moved to a drive that is.

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