Your Photos library holds all your photos, albums, slideshows, and print projects. If your library is large, and you want to free up storage space on your Mac, turn on iCloud Photo Library and use Optimize Mac Storage, or move your library to an external drive.
Before you start, be sure to back up your library.
You can store your library on an external storage device, such as a USB or Thunderbolt drive formatted as APFS or Mac OS Extended (Journaled).1Removing photos library from mac. Find out how to check the format of your external storage device.
To prevent data loss, Apple doesn't recommend storing photo libraries on external storage devices like SD cards and USB flash drives, or drives that are shared on a network.
Mar 18, 2020 Move your Photos library to an external storage device. In the Finder, go to the external drive where you want to store your library. In another Finder window, find your library. The default location is Users username Pictures, and it's named Photos Library. Drag your library to. The first time you start up Photos after upgrading, your Mac will copy over your photo library into the new software (if you explicitly set up more than one old iPhoto library, you’ll have to copy them over yourself). It doesn’t go back and delete the old one, though. Dec 04, 2019 There are a number of ways to do this on your device. There are some third party applications that allow users to merge, import and manipulate the iPhoto library. These may not be good for your system or your photos. You can export your library to the system entirely to merge the photos. The iPhoto application loads your Photo Library file after the application itself loads. You can have as many Photo Library files as you wish. By default, when you launch iPhoto, it loads whichever library file you had opened the last time you used iPhoto. Jun 07, 2015 You may be tempted, based on what you're seeing in the Finder, to delete your old iPhoto or Aperture library once you've migrated to Photos. Photos actually manages your photos very effectively, so even though it looks like you're wasting gobs of disk space, you're really not.
After you open your library from its new location and make sure that it works as expected, you can delete the library from its original location.
In a Finder window, go back to your Pictures folder (or whichever folder you copied your library from) and move Photos Library to the trash. Then choose Finder > Empty Trash to delete the library and reclaim disk space.
If you have multiple libraries, here's how to open a different one:
Photos uses this library until you open a different one.
If you have a permissions issue with your library, you might be able to resolve the issue by using the Photos library repair tool.
1. You can't move your library to a disk that's used for Time Machine backups.
2. If the volume isn't formatted APFS or Mac OS Extended (Journaled), or has been used for Time Machine backups but hasn't been erased, this checkbox will either not be present, or won't be selectable after unlocking. Erase and reformat the drive for this option to be available.