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 it that my hard disk can only be allocated to 2TB, and the remaining capacity is displayed as "Unallocated" ? How do I repair bad sectors? 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