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 does the USB external device slow down under Windows 10 system? Why can't my Elite App log in to iCloud with the Apple ID verification code? Can Transcend’s portable HDD be used for TV recording? Technical Support If the answer can't help you, you can contact the Tech Support Department Get Started