This allows for more fine grained organization, as well as improving the performance of Photos when browsing and editing. PowerPhotos lets you instead divide your photo collection among multiple Photos libraries. As your library grows over time, it can become hard to manage, and Photos can get slower due to the large number of photos in the library. Normally, when using Photos on your Mac, you have a single Photos library that holds all of your photos.

A merge, copy, or duplicate search stalls without further progress.

Allowing PowerPhotos access to your Photos libraries.

Find Duplicates seems to be missing some duplicate photos.

Incomplete merge due to Photos crashes or other errors.

PowerPhotos crashing or hanging at startup (safe mode).

What is the maximum/optimal size for a photo library?.

PowerPhotos duplicate detection compared to built-in Photos duplicate detection.

How to merge an iPhoto library with a Photos library.

Sharing a library between multiple user accounts on one Mac.

Creating a new library using photos not already in Photos.

Splitting a library into smaller libraries.

Converting iPhoto and Aperture libraries.

Opening libraries with the PowerPhotos status menu.

Storing libraries on cloud services such as Dropbox or iCloud Drive.

Using a digital camera with multiple libraries.

Using iCloud Shared Photo Library with PowerPhotos.

Accessing a Photos library on another Mac.

Moving from iPhoto Library Manager to PowerPhotos.

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