Aperture 3 library - Deleting previews

Discussion in 'Digital Photography' started by whodareswins, Jul 4, 2012.

  1. whodareswins macrumors regular

    Jul 12, 2011
    My aperture 3 library is getting rather large now and I understand this is often dur to excessive previews being generated. I would like to remove these but have a few questions.

    1. I shoot in raw and always edit my photos a little. Will this undo any changes on my photos?

    2. Any issues or advice in doing this?

    Any help would be hugely appreciated! :)
  2. flynz4 macrumors 68040

    Aug 9, 2009
    Portland, OR
    Deleting your previews will not affect any edits that you have made. If you prefer to have previews after deleting them, you can always regenerate them.

  3. whodareswins thread starter macrumors regular

    Jul 12, 2011
    Thanks for the help. May I ask, what are the point in previews? When are they used?
  4. robbieduncan Moderator emeritus


    Jul 24, 2002
    1. In "fast" mode for rating/quickly flipping through the library the previews are enabled

    2. Sharing with iLife apps/slideshows etc

    3. Displaying the image for off-line referenced masters

  5. TonyK macrumors 6502a


    May 24, 2009
    One thing I did was split my Library in to multiple Libraries divided by year. It can be a pain some times but each Library is smaller and faster to load and work with.

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