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 Is the StoreJet 25MC compatible with USB Type-C smartphones and tablets? How are SLC (Single-Level Cell), MLC (Multi-Level Cell) and TLC (Triple-Level Cell) Flash different from one another? Can portable external hard drives (StoreJet) be used on smartphones/tablets? Technical Support If the answer can't help you, you can contact the Tech Support Department Get Started