Photos app allows you to create a new photo library for specific purposes like personal, private, work and more. There is not mentioned about a limit to how many new photo libraries you can make in Photos app for Mac. Once you have create a new photo library in Photos app, you can connect a camera or memory card to import photos. You can also import photos by turning ON iCloud Photo Library or choose import from the File menu. A new photo library will not contain any of the previously imported photos. If you want them, you need to add them again.

How to move your Photos library to an external hard drive. If you're low on storage space on your Mac, you can just move your Photos Library to an external hard drive. Keep in mind though, that you will need to have this external drive plugged in to access your Photos Library, even if you have iCloud Photo Library enabled. Using the OS X Terminal instead of the Finder to copy files. The Finder's abilities to copy files is usually adequate, but sometimes when managing large data transfers it can introduce some. Follow the steps below to Restore Photos Library in Mac from Time Machine backup: If ‘Photos’ is open, you need to close it. Go to ‘Photos Quit Photos’. Click the ‘Time Machine’ icon in the Menu Bar and select ‘Enter Time Machine’. Time Machine opens and shows all your available Backups.

Use Terminal To Move Photo Library Macbook

Here are the steps to Create a New Photo Library in Photos App for Mac:

Change Photos Library Mac

1. Quit 'Photos' app on your Mac.
2. Re-launch the 'Photos' app in OS X while holding down the 'Option' key.
3. A 'Choose Library' window opens up.
4. Click 'Create New...' button.
5. Give a name for new photo library and choose a location on the Mac to store the new Photo Library.
6. Click 'Ok' button.
7. A new and completely blank photo library will appear.
8. Now you can import photos by connecting a camera or memory card, or from an iCloud Photo Library and iCloud account, or from File menu.