Library Containers Mac Different From Photos

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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.

2020-4-6  The process here will be a bit different depending on whether you already have all your photos stored on your Mac, or if you have all your photos stored in iCloud Photo Library, but want to back. 2020-4-6  And remember, the system level /Library folder is different from the user level /Library. How to Access User Library in MacOS Mojave, macOS Catalina, and MacOS Sierra. If you don’t need to constantly show the /Library folder on the Mac, you can just access it. Despite its powerful cataloging tools and easy-to-use editing features, many users are still nervous about committing their photo library to iPhoto.The program’s approach to storing images feels. 2020-3-18  I even know of some people who use iCloud photo sharing to share photos only with themselves because these photos don't count against the free 5 Gb storage limit. You are correct that the folder you found is for shared photos. If you can't free up other space on the Mac - you can opt out of some sharing of images / movies that are large.

Before you start, be sure to back up your library.

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.

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

  1. Quit Photos.
  2. In the Finder, go to the external drive where you want to store your library.
  3. In another Finder window, find your library. The default location is Users > [username] > Pictures, and it's named Photos Library.
  4. 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

  5. After the move is finished, double-click Photos Library in its new location to open it.
  6. 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. How to delete library folder mac. Then choose Finder > Empty Trash to delete the library and reclaim disk space.

Open another Photos library

If you have multiple libraries, here's how to open a different one:

  1. Quit Photos.
  2. Press and hold the Option key while you open Photos.
  3. Select the library that you want to open, then click Choose Library.

Photos uses this library until you open a different one.

Learn more

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.


A few months ago when OS X Yosemite was first shown to the public, Apple demonstrated its new Photos app. This app is meant to simplify photo management for all Mac users by emulating the looks and functions provided by the Photos app on both the iPhone and the iPad. This simplification comes at a cost though: when it finally releases its Photos app, it will replace iPhoto, its legendary photo management app that has been on every Mac by default for years.

This move will definitely be hard on a lot of users, especially those who, like me, got used to working with iPhoto for so many years.

Even worse: for most of us, our photo albums hold a huge number of dear memories, and as with every update, there is always the possibility of something going wrong when the time comes to migrate to the new Photos app.

With that considered, here are a couple of short guides on how to back up your iPhoto library both the simple way and the not-so-simple way.

Back Up Your iPhoto Library: The Easy Way

First, the good news (or bad depending on how you see it). In a very Apple way, in order to keep things simple and integrated on OS X, Apple consolidates your photos into a single, giant file that represents your photo library. But this file is not composed of just your photos, it also holds very important meta-data, like your events, photo stream shots and such.

Mac Group Containers

To find your iPhoto library, open any Finder window and click on the Pictures folder. There you should find it.

To back it up manually and without complications, all you have to do is copy the entire file to any destination you want. It can be a USB flash drive or a portable backup disk if you want and that’s it.

Cool Tip: If you want to transfer your iPhoto Library to another Mac just plug your drive to it and copy your iPhoto library backup to the target Mac’s Pictures folder. Be warned though, this will replace your existing iPhoto library. So this tip is mostly targeted at new Mac owners or for those who perform a clean install of OS X.

Library Containers Mac Different From Photoshop

Back Up Your iPhoto Library: The Less-Easy Way

If you want more control over what to back up from your library, there’s a way to do it that requires some digging around but that is perfect for that purpose.

For this, you have to head to the same iPhoto Library file within your Pictures folder, except this time instead of copying it, right-click on it and then select the Show Package Contents option.

Then, head to the Masters folders. There you will see several folders categorizing the different years your photos belong to.

When you open each of them, you will find folders for the different events, albums and dates that contain the photos as you organized them in iPhoto. There you will be able to select exactly what you want to back up and the way that you want to back it up.

And there you have it. Now you will always be in control of your photo library and most importantly, you will have peace of mind in case things don’t go that well with the new Photos app. Enjoy!

Also SeeLibrary#backup #iphoto

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