When dealing with them, you should use a duplicate photo finder safely designed for Photos. Support for Apple Photos: Duplicates in Photos app can be the main source of duplicate photos on Mac.
Automatically and smartly select duplicates to mass delete with 1 click.Display the found duplicates with file info and side-by-side preview.Support removing duplicate photos from Photos, iPhoto and folders.Find duplicate photos, videos, audios and any other duplicate files.