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 How do I use the new StoreJet on my Mac? ESD220C has drop frame issue in non Windows 10 operating system. What kinds of tests have Transcend’s rugged products undergone? Technical Support If the answer can't help you, you can contact the Tech Support Department Get Started