1 Reply Latest reply on Dec 1, 2015 3:23 PM by Tanuj Sandal

    back up from time machine or carbon copy cloner?

    waimeagirl411

      I need to do a back up of my entire Lightroom 4.

      I do not know what happened but I have lost 20,000 images.

      I do not know what to do or how to go about finding what went wrong.