What are some functional differences between the Windows and the Mac versions of Transcend Elite? Category : Software / Firmware / Applications Note: 1. To have the external hard disk support both Windows and Mac operating systems, we recommend formatting the hard disk into FAT32 or exFAT format. 2. The disk lock/unlock function for MacOS version is still under evaluation. Is the answer helpful? Related Why is the storage capacity of my StoreJet (external-HDD) shown on the computer less than the volume written on the package? How do I use the new StoreJet on my Mac? How to format the flash drive to NTFS in Windows XP? Technical Support If the answer can't help you, you can contact the Tech Support Department Get Started