How Do I Make My Seagate Work With a Mac? One thing you should know first. Navigate to your external drive, create a new folder on your drive if necessary and export your photos Manually copy your Photos app library to your external drive Drag your Photos app library (usually in the user’s Pictures folder) to your storage device to create a copy for archiving. If you have a large photo library on your Mac, transferring the photos to an external drive can save you valuable storage space. We advise you to get a reasonably fast external storage device. Select the external disk from the sidebar, and click the 'Erase' tab. Select 'ExFat' from the Format drop-down field. If you want to partition the disk to save any data already on the disk, click the 'Partition' tab, click the '+' button and drag the original partition to resize.

SSDs are essential for ensuring optimal performance on a Mac, but because they’re expensive, many people don’t have as much built-in storage space as they would like. If your Photos library has grown to the point where your SSD is nearly full, it might be time to think about offloading it to an external hard drive. (Don’t put it on a drive that you’re using as a Time Machine destination because there could be permissions conflicts, and note that Apple doesn’t recommend storing a Photos library on a drive shared over a network.)

Before we explain how to offload your photos, we want to mention another way of reducing the Photos footprint on your drive. If you’re using iCloud Photos (previously called iCloud Photo Library) to sync photos and videos between your devices, the originals are all stored in iCloud. In Photos > Preferences > iCloud, you can enable Optimize Mac Storage, which swaps the full-resolution images for smaller versions, saving a boatload of space. However, you may find Photos somewhat slower to use, as it has to download full-resolution versions of images you work with, and you won’t have a local backup of the original images. So it’s an option, but it has tradeoffs.

For most people with burgeoning Photos libraries, a better approach is to offload the entire library to an external hard drive. This approach comes with tradeoffs too; accessing images from a hard drive is slower than getting them from an internal SSD, and you have to figure out how you’re going to back up that drive as well. Plus, the drive has to be available, connected, and turned on (so you have to listen to it) for you to use Photos at all, which might be especially annoying if you regularly work remotely on a notebook Mac.

To move your Photos library to an external drive, follow these steps:

1. If it’s running, quit Photos.
2. In the Finder, drag Photos Library, which is stored in your Pictures folder by default, to the external drive. A few answers to common questions:
   • Where on the external drive should I put it? It doesn’t matter, but we recommend putting it at the top level so you are less likely to lose track of it in the future.
   • I got an error—what should I do? If you see an error telling you that you don’t have permission to copy to that drive, select the drive’s icon in the Finder and choose File > Get Info to open the Info window. If necessary click the triangle next to Sharing & Permissions, and make sure “Ignore ownership on this volume” is selected. If it’s not, click the lock icon, enter an administrator name and password, and select the checkbox.
     
   • How long will it take to copy? Quite some time, depending on how many photos you have. It’s best to do overnight or when you don’t need to use Photos.
3. When it’s done copying, double-click the new Photos Library icon on the external hard drive to launch Photos and set it to open that new copy on future launches.
4. If you use iCloud Photos, designate this new library as the System Photo Library by choosing Photos > Preferences > General and clicking the “Use as System Photo Library” button.
   
5. Scroll through your photo collection and make sure all your photos are present—double-click a few of them to spot check that the actual images open properly.

Obviously, your original Photos library is still taking up space on your SSD, but it’s best to use the new version for a little while before deleting the old one, just in case. When you’re ready to do that, drag it from the Pictures folder to the trash and choose Finder > Empty Trash to reclaim the space.

Social Media: Running out of space on your internal drive? You can clear a bunch of space by moving your Photos library to an external hard drive—here’s how:

Free up your space by transferring your Photos library to another external hard drive. By freeing up space you will have valuable space for your work on your Mac. In addition to this, we will help you to back up your whole photo library to iCloud.

Why store photos on external drive

In today’s world, everyone loves to capture photos of every single moment and wants to save all those moments in his/her personal devices like Mac. But saving all your photos can fill-up your Mac storage quickly and you may face the shortage of space.

There are many options to store your photos data. One of them to store your photos on iCloud photo library but the drawback of saving your photos on iCloud is, if you delete the photo from your device it will be deleted from iCloud as well.

One question raised up here is that what we can do to store all our photos to some safe place if we are running out of space on Mac?

Fortunately, you have visited the right place to find the solution to your problem. There is a safer and easy way to transfer your entire photo library from your Mac to your external drive. The best of this trick is whenever you need to see your photos on your Mac you just need to open photo library app on your Mac it will automatically take you to your saved photos in external hard drive until unless it is plugged in.

Snapshot of the guide

There is a quick snapshot of the guide so you can understand quickly how to move the library to external drive.

• Prepare your external hard drive to move Photo Library. Make sure drive is formatted as MacOS Extended Journaled.
• Go to the location of the Photo library and move it to external drive.
• Set the external library as a System Photo Library (So whenever you open the Photos app it will open the photos library from the external hard drive.)
• After completing trasfer to drive, make sure this external drive is connected to your Mac whenever you want to access photos.

Our article will help you to move your photos from Mac to external hard drive. Continue reading the steps are about to start.

Do not worry if you have already stored your photos on iCloud photo library. Our article will help you to get back your already saved photos in iCloud photos library and will help you to move them to external hard drive. Here is how to do it.

System Photo Library vs Other Library

When you run Photos app on your Mac first time this will ask you to create a new or use an old library. That default Photo library became the system library automatically. Only System Photo Library are allowed to access iCloud services.

You can create multiple other libraries and work with photos only in one library at a time. To work in another library you have to switch the library. You can also change and set one of the other libraries as a System library.

How to transfer the Photos library to a hard drive

First, make it sure the hard drive you are going to use for Photos library is faster and have enough space. It will save your time and stored your memories quickly. A good hard drive always keeps your stuff secure and there are fewer chances of losing your data.

Before going step by step to move your photo library to external hard, first make it sure that your external hard drive is already formatted for Mac OS Extended (journaled). If it is not formatted for Mac first erase all the data from it and format and choose the option of Mac OS Extended (journaled). Use the Disk Utility on your Mac to erase any hard drive (When you erase any drive in mac everything will be deleted, so please save any important data ).

1. Find the Photos Library on your Mac, it will be in your Pictures folder. Click the Go menu on the top and then select Home option from the menu.
   
2. Open the Pictures folder and there you will find the Photos library.
   TIP: In order to see how much storage your photos have taken, just Ctrl+Click on the photos library icon and click on Get Info. Now you can make sure that you have enough storage in your external hard drive.
   
3. It’s time to copy your Photos Library to your external hard drive using drag and drop trick. Now sit back and wait until copies over. The time of transferring photos depends on the size of your Photo Library.
   
4. When transferred completed, press and hold the Option/Alt key from keyboard and click the Photos app icon from Dock to open it. Keep holding the keyboard key until you see a window otherwise this will open the Photos app.
5. You will see a new window to choose the library. On that window hit the button Other library. Navigate to the new location on your external hard drive and choose the Photo Library.
   
6. If there is a message that shows “there are some items that need to be downloaded from iCloud Photo library” then you need to click on delete incomplete items and download all those incomplete items.
   

   Set a photo library as System Photo Library
   

   We have already moved the library to an external drive now its time to set it as System Photo Library. Doing that will allow it to use iCloud service.

7. Open the Photo Library from the external drive.
8. Click Photos men and then select the Preferences option.
9. On the next window click General and then click Use as System Photo Library button (this will help you to get it to work with iCloud Photo Library)
   TIP: Remember this is the step you need to perform in future If you accidentally unlinked the external drive’s photo library from the Photos app.
   
10. Go to System Preferences then iCloud then Photos then Options, and choose iCloud Photo Library to turn that back on. See if you have stored all the photos here.
    

Note: you will need to plug in your external hard drive in order to see your photos).

Delete Photo Library from Mac

Copy Pictures To External Drive

Once you have confirmed that all the photos in the library moved to the external drive. You can delete the Photo Library from your Mac computer. Go to the Pictures folder and delete it to free up space from your mac.

How to back up your iCloud Photo Library

How To Move Photos To External Drive

If you want to move all your photos which you have already backed up to your iCloud photo library to a storage device connected to your Mac. Follow our step by step guide above, but you need to download all the images from iCloud first.

If you have already transferred your Photos library onto the external storage device, now you need to follow these steps.

1. Open Photos on your Mac.
2. Click Photos then click on Preferences.
3. Click on the iCloud tab.
4. Choose Download originals to this Mac.

Now all your iCloud photos will be saved on the storage device. (If you are running short of space you would probably not want to do that)

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