PowerPhotos > Help > Duplicate comparison options

Duplicate comparison options

When copying photos, merging libraries, and searching for duplicate photos, you are given some options that let you control exactly how PowerPhotos identifies duplicate photos in your libraries.

Note that there can be some cases where there are two photos that look the same visually to the human eye, but are not actually identical, e.g. if one copy is a scaled down version of the other. Since they are not 100% identical though, the “Exact match” option won’t identify them as duplicates. The filename + date search can help find these sometimes, but if either one of those pieces of information has also been changed, then there’s no easy way left for PowerPhotos to tell that the two photos “look” the same.

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