Alley in Pisa, Italy

by Lars Kotthoff

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I want to organize all my photos so I copied all my folder from all my drives to a single 4TB external drive and now I want to organize everything and remove duplicates.

what’s the best way to do this? I was thinking to use lightroom by having a catalogue built of the external drive with previews and then while offline I would reorganize and move images into folders by date and then when re=attaching the drive light room can do all the moving for me while keeping the catalogue updated.

thoughts/ advise?

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Sorry about the initial confusion, I didn't follow what you meant by offline. Will Lightroom even allow moving the files while they are not found? I would expect that as soon as the file isn't found it isn't going to allow a file movement operation since there is no file to move. Why do you need to do it with the hard drive not attached? Just so you don't have to wait for move operations? Moves should be very fast as long as they are on the same drive since the data doesn't have to be copied, just the file path changed. –  AJ Henderson Nov 8 '13 at 18:33

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