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Q: Migration from Aperture to Photos

Hello,

 

I want to migrate my Aperture library to Photos. I will no longer use that library with Aperture.

 

My original library is:

 

• Aperture Library.aplibrary (3.81GB)

 

I opened this in Photos and after the migration process I found 2 libraries instead of the above in my Pictures folder:

 

• Aperture Library.migratedaplibrary (now only 3.09GB!)

• Photos Library.photoslibrary (3.51GB)

 

I confirmed that the number of photos is correct (as before) and that the location information of my photos is still available.

I would want to delete Aperture Library.migratedaplibrary now and just keep Photos Library.photoslibrary,

but then I readPhotos saves disk space by sharing images with your iPhoto or Aperture libraries - Apple Support

 

"When you migrate a photo library from iPhoto or Aperture, the Photos app creates a new library structure but doesn't duplicate your images. Instead, Photos saves disk space by creating links to the original and preview versions of your images."

 

I understand, that for Photos the new structure "Photos Library.photoslibrary" gets created, which doesn't contain the master photos and previews (these stay where they are: in the original Aperture library now called "Aperture Library.migratedaplibrary").

 

How is it possible that I can delete "Aperture Library.migratedaplibrary" – then the linked master photos and previews would be deleted and no longer be available for Photos!? Or does some kind of "magic" happen during deleting, which moves the master photos and previews into "Photos Library.photoslibrary"...?

 

My migration went well, I checked all photos, I'm ready for deleting the Aperture library, but I really need to be 100% sure about what is/will be happening.

 

Many thanks!

Posted on Dec 16, 2015 1:23 AM

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