3 Replies Latest reply: Mar 2, 2013 12:24 PM by WZZZ
iteachmusic Level 1 (0 points)

I am trying to free up memory and have generated a list of the largest files.


Most of these are videos I have of my students' performances.


Some appear to be duplicates, so my question is this:  if I delete one, will that affect the one that looks like it is a duplicate?


These are generally ".dmg" files and are also "disk image."


Thanks so much!

iTunes, Mac OS X (10.6.8), using Time Machine external hard dr