How do I restore the missing System Library in Photos app on Mac?

I am synchronising my apple imac, iphone and macbook photos on icloud. this works fine. However on my macbook the system library recently disappeared from photos app. How do I bring it back?


[Re-Titled by Moderator]

Original Title: photos system library disappeared

MacBook Air 13″, macOS 12.7

Posted on Dec 31, 2025 2:52 AM

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Question marked as Top-ranking reply

Posted on Dec 31, 2025 7:16 AM

I don't know where your previous System Library is, and apparently Photos doesn't either! If the extension (.photoslibrary) got removed, then Photos wouldn't see it. A Phhotos Library is a "package," but without the extension it becomes a folder. You could do a Finder search for a folder with Library in the name.


Here I've looked for a "package:"


If you don't find your Library, then it looks like your only recourse is to create a System Library and let if fill from iCloud. See this:

Make a New System Library connected to iCloud


You don't need everything in there, but it should show you the steps of creating a System Library.


Let us know how it goes…


5 replies
Question marked as Top-ranking reply

Dec 31, 2025 7:16 AM in response to stevenvanbauwel

I don't know where your previous System Library is, and apparently Photos doesn't either! If the extension (.photoslibrary) got removed, then Photos wouldn't see it. A Phhotos Library is a "package," but without the extension it becomes a folder. You could do a Finder search for a folder with Library in the name.


Here I've looked for a "package:"


If you don't find your Library, then it looks like your only recourse is to create a System Library and let if fill from iCloud. See this:

Make a New System Library connected to iCloud


You don't need everything in there, but it should show you the steps of creating a System Library.


Let us know how it goes…


Jan 4, 2026 6:40 AM in response to stevenvanbauwel

stevenvanbauwel wrote: … I now realize that the previous library was wrongly stored on the desktop...

Good catch! The Photos Library can be stored in most any normal folder, but definitely not on iCloud Drive or some other special folders. I haven't tried the Desktop folder, but since mine is now in iCloud Drive, I know it won't work. This is what you get if you drag a Library to the iCloud Drive folder:

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How do I restore the missing System Library in Photos app on Mac?

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