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 might the actual performance of ESD be too slow? Why do files occupy more disk space when saved to flash drives/external hard drives/solid state drives? Why can't my Elite App log in to iCloud with the Apple ID verification code? Technical Support If the answer can't help you, you can contact the Tech Support Department Get Started