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I used to use iPhoto but then Apple scrapped it and introduced Photos app. Earlier to backup my library I would copy the iphoto library to external hard disk, but after this new introduction I have iPhoto migrated library (More than 50GB) and also a Photos library (around 70GB).

Can anyone let me know which library/libraries to copy on my external disk?

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Photos has migrated the iPhoto library to the Photos library. Photos no longer reads from or writes to the iPhoto library. You only need to back up the Photos library.

Providing you have no referenced masters in the iPhoto library, it's fine to delete. Keep a backup of it for a while in case anything doesn't work. You can copy all your referenced masters into your Photos library by opening your Photos library, navigating to All Photos, selecting all the photos and choosing File → Consolidate…. If you have any referenced masters, this will copy them into the Photos library, such that all the data is contained within the Photos library.

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  • if i delete iphoto migrated library, everything will work?
    – Taran Goel
    Aug 31 '15 at 11:11
  • @Taran Providing you have no referenced masters in that library, it's fine to delete. Keep a backup of it for a while in case anything doesn't work.
    – grg ♦
    Aug 31 '15 at 11:13
  • I am not sure about it! Can i check somehow? Don't want to mess everything up\
    – Taran Goel
    Aug 31 '15 at 11:14
  • @Taran Open Photos, go to All Photos, select all and choose File → Consolidate…. If you have any referenced masters, this will copy them into the Photos library, such that all the data is contained within the Photos library.
    – grg ♦
    Aug 31 '15 at 11:19
  • you should add that in your answer. I'll try and update my findings
    – Taran Goel
    Aug 31 '15 at 11:25

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