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Either you use specialized third-party software to automate the process of finding them, or you can take your time and do it all by yourself. There are two ways to get rid of duplicate images from the iPhoto app. Remove Duplicate Photos that come from iPhoto manually Use Duplicate File Finder to scan and delete duplicate photos.
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Remove duplicate photos that come from iPhoto manually.
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Simply use any of the following methods by applying it to iPhotos instead of the Photos app. This covers the same process in iPhotos, so please note that if you are using iPhotos, the steps for locating duplicates will be exactly identical. In this article, we will go over the main methods of going over and deleting duplicate files within the Photos app. The major issue that comes with using such software is the number of duplicates it leaves behind. The replacement that came after iPhoto is the Apple Photos app (or simply, Photos) which is also a photo management and image editing software. Although the iPhoto app has officially no longer been supported by Apple’s development team since the release of OS X Yosemite 10.10.3, many Mac users continue using it worldwide.
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