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? Is the StoreJet 25MC compatible with USB Type-C smartphones and tablets? Why does ESD380C not achieve the expected performance via Thunderbolt 4 / USB4? Technical Support If the answer can't help you, you can contact the Tech Support Department Get Started