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 is my new external hard drive not working on my computer? 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? Does the performance of ESD310 and ESD300 portable SSDs get affected by high temperatures during use? Technical Support If the answer can't help you, you can contact the Tech Support Department Get Started