laptop has around 100gb on it, when i do a back up on it on to my seagate drive does it move over an entire copy everytime or just the new information which has been done since last backup?? its a sony vaio
laptop has around 100gb on it, when i do a back up on it on to my seagate drive does it move over an entire copy everytime or just the new information which has been done since last backup?? its a sony vaio