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 might the actual performance of ESD be too slow? When transferring a large file, I get an error message saying that "the disk in the destination drive is full...," but my disk is not full. Why can't I transfer this file? How do I format my StoreJet? Technical Support If the answer can't help you, you can contact the Tech Support Department Get Started