I just bought a Western Digital 1TB My Book Essential Edition external hard drive. I have a lot of videos, stored as disk images, from my HD camcorder on my MacBook that I want to copy onto the external hard drive for storage and also transfer to my other MacBook. The problem is that this hard drive is setup so that it will not transfer any file over 4 GB. A lot of these disk images are over 4GB and thus will not transfer. Is there any way to reformat this external HD to a system that will allow transfer over the 4GB threshold? If so, can someone please explain the process to me in as much detail as possible? If not, can someone recommend an external HD that does not have transfer limits? I would like to make this one work as I am not sure if Best Buy will take it back or not now that it has been opened and used. Thanks in advance for any help.