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 Can Transcend’s portable HDD be used for TV recording? Why is it that my hard disk can only be allocated to 2TB, and the remaining capacity is displayed as "Unallocated" ? Why can't I use my external device (USB Type-C) on mobile phones or tablets? Technical Support If the answer can't help you, you can contact the Tech Support Department Get Started