Jan 30, 2019 The user library folder in Mac OS is usually hidden. If you are on mac OS Sierra, Mac OS High Sierra and Mac OS Mojave, you will not be able to see the library. But when you come across the need to access this folder, you will start wondering how to find library on Mac.
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Mar 12, 2020 There’s a reason that the Library folder on your Mac is tucked away out of site. This all-important folder holds files that your system uses like containers, application scripts, font files, caches, and other types of files. Apple hides this folder by default to reduce the risk of accidental. Sep 02, 2016 The user Library has been hidden since Mountain Lion. However, it is simple to reveal. To temporarily reveal it, in Finder, hold down the Option key (alt) and select Library from the Go menu. To display it always, select your Home folder (cmd-shift-h) and Show View Options (cmd-j). Check the box to show the Library. Nov 03, 2013 Show Hidden Library and User Library files and folder in OSX Mavericks 10.9. November 3, 2013 9 Comments. From OSX 10.9 Mavericks, 10.8 Mountain Lion and 10.7 Lion, the /Library and /Library are hidden from the Finder – to show these directories in the GUI, launch Terminal from Applications/Utilities and run the command below with sudo.
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
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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:
- Choose Photos > Preferences.
- Click the General button at the top of the Preferences window.
- 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:
- Quit Photos.
- Press and hold the Option key while you open Photos.
- In the dialog that appears, click Create New.
- Give your new library a name, then click OK. Note whether Photos opens successfully with this new library.
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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.
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Alternatively, you can open Photos in another user account on your Mac and note whether Photos opens successfully.
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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.

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.