I ran a full backup to my external hard drive last week by copy/paste the iTunes Media folder from my "My Documents" folder to my C:\ of my external hard drive. Im not sure how to do an incremental backup. If I do a copy/paste of the folder again, then I will be doing a full backup again, which takes a very long time to complete. At this point, I want to only backup files that has changed or new files added since last week (incremental backup). How can this be performed?
O/S: Windows 7 Professional