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 ESD220C has drop frame issue in non Windows 10 operating system. Why can't my multimedia player, TV or DVD player detect my StoreJet (external-HDD)? Why can’t the Transcend Elite fully back up files from my C: drive? Technical Support If the answer can't help you, you can contact the Tech Support Department Get Started