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 My computer cannot recognize my StoreJet, and the OS asks me to format my StoreJet (external-HDD). What should I do if data transferring is being interrupted? How to fix my portable solid-state drive (ESD)'s plodding write speed? Is the StoreJet 25MC compatible with USB Type-C smartphones and tablets? Technical Support If the answer can't help you, you can contact the Tech Support Department Get Started