Prepare your drive
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).1 Find out how to check the format of your external storage device.
Mac Os X App Permissions Download
When you first create a share point, Mac OS X Lion Server assigns it standard POSIX permissions for Owner, Group, and Others. You can change the owner and group, change the permissions for all three entities, and add users. Standard POSIX permissions are.
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.
Move your Photos library to an external storage device
- Oct 10, 2018 An often reported issue on macOS Mojave is camera and microphone permissions not working properly. While Apple’s own apps handle camera and mic perfectly well, many third-party apps (like Skype) end up becoming totally unusable due to missing permissions or “Full Disk Access denied”.
- Jan 15, 2019 Every file and folder on your Mac comes with an associated set of permissions. From the Apple Community: “Many things you install in Mac OS X are installed from package files (whose filename extension is '.pkg').
- Quit Photos.
- 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 its new location on the external drive. If you see an error, select your external drive's icon in the Finder, then choose File > Get Info. If the information under Sharing & Permissions isn't visible, click , then make sure the 'Ignore ownership on this volume' checkbox is selected. If it's not selected, click to unlock it, enter an administrator name and password, then select the checkbox.2
- After the move is finished, double-click Photos Library in its new location to open it.
- If you use iCloud Photo Library, designate this library as the System Photo Library.
Delete original library to save space
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.
![Mac Mac](/uploads/1/2/6/3/126394583/837056831.png)
Open another Photos library
If you have multiple libraries, here's how to open a different one:
- Quit Photos.
- Press and hold the Option key while you open Photos.
- Select the library that you want to open, then click Choose Library.
Photos uses this library until you open a different one.
Learn more
Best Mac Os Apps
If you have a permissions issue with your library, you might be able to resolve the issue by using the Photos library repair tool.
Mac App Permissions
1. You can't move your library to a disk that's used for Time Machine backups.
Macos App Permissions
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.