Mac The Library Could Not Be Opened

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Jun 08, 2015  Yosemite OSX Macbook pro, iMac, macbook air, macbook, macbook retina display, macbook retina display 2, mac pro, iMac retina 5k display, mac mini,apple laptop. IMac 27 inch. Nov 25, 2019  On your Mac, click Apple menu System Preferences and then Software Update. If there is an update available, click the Update Now button and the new software will be installed on your Mac. If you prefer, you can check the “Automatically keep my Mac up to date” to have your Mac update.

Back up your library

Before following any of these steps, it's a good idea to create a backup of your photo library, even if you use iCloud Photos. You can use Time Machine, use a third-party backup solution, or copy the library to an external drive. By default, your photo library is stored in the Pictures folder within your home folder.

Make sure that your software is up to date

Photos is part of the Mac operating system. You can avoid or fix many issues by running the most up-to-date version of macOS. Learn more about updating the software on your Mac.

If you use RAW images in Photos, learn more about the digital camera RAW formats supported by iOS, iPadOS, and macOS.

If you have trouble migrating an existing iPhoto or Aperture library to Photos

You might see an alert message when you first open Photos or migrate an existing iPhoto or Aperture library. Learn what to do if Photos can’t copy or create a library.

If the Media Browser isn't showing your photos and videos

Repair Photos Library Mac

Use the Media Browser to make images from your photo library available in other apps, like Pages and iMovie. The Media Browser shows only the contents of the Photos library designated as the System Photo Library. If you have more than one Photos library—and the one you're using isn't set as the System Photo Library—the Media Browser won't show its contents.

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Follow these steps to designate the current library as the System Photo Library:

  1. Choose Photos > Preferences.
  2. Click the General button at the top of the Preferences window.
  3. Click Use as System Photo Library.

If you're having other issues with Photos

If you're experiencing other issues—like missing or blank photo thumbnails, unexpected behavior, or if Photos won’t open—try to see if it's an issue with your library by following these steps.

Create a new Photos library and see if your issues persist:

  1. Quit Photos.
  2. Press and hold the Option key while you open Photos.
  3. In the dialog that appears, click Create New.
  4. Give your new library a name, then click OK. Note whether Photos opens successfully with this new library.
Mac

To return to your main Photos library, quit Photos. Then open it again while holding the Option key, select your main library, and click Choose Library.

Rebuild Photos Library Mac

Alternatively, you can open Photos in another user account on your Mac and note whether Photos opens successfully.

If Photos opens with the new library, or in a different user account, it might mean that there's an issue with your library. Follow the steps to use the Photos library repair tool on your main Photos library.

Apple Photos Rebuild Database

Learn more

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  • Learn how to create and order print products like books or calendars in Photos with Project Extensions.
  • Get help with iCloud Photos.