Step 1: Open 'Finder' and search for your iPhoto library. For people who choose the first one, here are steps you can follow. So if you want to free up more storage space, you need to empty iPhoto library or delete it directly.

Just as mentioned above, once you upgrade your Mac from iPhoto to Photos, there will be a second photo library. Part 1: How Do I Clean Out My iPhoto Library

Part 4: FAQs of Deleting Photos from iPhoto Library.

Part 3: How Do You Permanently Delete Photos from iPhoto Library.

Part 2: Can I Delete the Migrated iPhoto Library.

Part 1: How Do I Clean Out My iPhoto Library.

So if you have backed up important photos from iPhoto library, then you can delete iPhoto and photos duplicate right now. Moreover, some people complain that it is quite annoying to receive notifications about iPhoto all the time. As a result, you will get duplicate pictures stored in iPhoto library. Most people have updated and migrated photos from iPhoto to Photos on Mac already. Can anybody show me how to delete iPhoto library after moving to external hard drive?' 'The reason why I’m asking is because my Mac is running low on disk space, and I can free up 64GB of space on my hard drive by deleting the iPhoto library. How can I delete iPhoto library without damaging my Photos library?'

However, I’m bothered by the wired and misleading sizes reported by Finder because of the old iPhoto library. I’m happy with Photos and do not plan to go back to iPhoto. 'I upgraded to Yosemite and migrated my iPhoto library to the new Photos app.

Iphoto delete duplicates