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 Can portable external hard drives (StoreJet) be used on smartphones/tablets? Why are there files in my new StoreJet (external-HDD)? What are these folders/files for? Why do I get a blue screen with an error message, "STOP 0x0000007B INACCESSABLE_BOOT_DEVICE," when installing Windows 7/8/10 OS using the SSD? Technical Support If the answer can't help you, you can contact the Tech Support Department Get Started