Prepare your external 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). However, you can't move your library to a disk that's used for Time Machine backups.
Import Old Iphoto Library On Mac Pro
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
- 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 the triangle , then make sure the 'Ignore ownership on this volume' checkbox is selected. If it's not selected, click the lock button to unlock it, enter an administrator name and password, then select the checkbox.*
- 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.
Mac users coming from iPhoto may wish to move an iPhoto Library to the new Photos app. While importing is an option when first setting up the Photos app in OS X, many users many have skipped the initial setup screens and missed that opportunity to import pictures and images into Photos from apps like Aperture and iPhoto. DO NOT IMPORT A LIBRARY INTO ANOTHER LIBRARY! Copy the old library into the Pictures folder on your new iMac. If you have a new library there then move it to the Trash bin beforehand. Then launch iPhoto and it will open the old library and convert it to the newer version if necessary. There is no importing necssary.
- If you have updated your Mac to OS X 10.10.3, you’d like to migrate all your photos from iPhoto Library to Photo Library. Here is the quickest way you can do so. Let’s take a look! Note: Before going further, make sure to delete duplicate files and update any Metadata if you want in your iPhoto Library. Once you have pruned your iPhoto.
- By default, iPhoto is a photo management program which comes standard on every Mac computer. But if you want change your Mac computer to Windows PC, then you need to transfer you all data from Mac to Windows PC. The most important thing is your photos and videos. You can transfer all your photos from iPhoto to Windows with simple steps.
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.
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
If you have a permissions issue with your library, you might be able to resolve the issue by using the Photos library repair tool.
* 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.
How to Transfer iPhoto Library to New Mac (Copy & Move pictures from old Mac to new Mac)
Import Old Iphoto Library Mac
Here is a how-to video of transferring iPhoto library(all of your pictures) to your new Mac computer(Macbook Pro, Macbook Air, iMac). Did you know that you can migrate all of your old photos to new Macs. It is not that hard and you can do it too! All you need is an external hard drive that is bigger than your iPhoto library file size. We will show you how to backup and transfer all of your pictures on your Mac, and how to import your old iPhoto library to the new Photos app. In our case, we are transferring our iPhoto library(older Macbook Pro) to the newer Photo app(new Macbook Pro) Let’s get it started!