I have a My Book 3TB, model WDBACWOO30HBK-NESN, that I have not yet used as it was packed for a move. I have a MacBook Pro running 10.9.5 (Mavericks). Is this external drive compatible with my computer?
Welcome to the Community.
It should be compatible, but it may need to be reformatted/partition before it can be used in a Mac OS system:
