I just recently purchased the 1TB Passport and I am trying to reformat it for my MacBook. I initially attempted to perform the Erase through Disk Utility, by selecting ‘My Passport’, however ‘FAT32’ was not an option, I only had ‘MS-DOS (FAT)’, which did not work, and ‘ExFAT’, along with other ‘Mac …

Reformatting for Mac

Alucardx23 December 2, 2012, 7:09pm 2

Hi, since you are getting that message, eject the passport from the Mac, disconnect the USB cable, connect it again and then try again from 1 to 5.