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 it is not recommended to remove the product casing or disassemble the product? Why can't my multimedia player, TV or DVD player detect my StoreJet (external-HDD)? Why is it that my hard disk can only be allocated to 2TB, and the remaining capacity is displayed as "Unallocated" ? Technical Support If the answer can't help you, you can contact the Tech Support Department Get Started