2 Replies Latest reply: Apr 21, 2013 9:39 AM by peterrobinsonmd
peterrobinsonmd Level 1 Level 1 (0 points)

My Macbook Air (still with Lion) will not play .avi video files (brought over from an older PC where they play with another viewer). This site implies Quicktime Player should be able to do so. Is there a codec or something else I'm supposed to download?