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 What should I do if the transfer speed of my StoreJet is too slow? Why are there files in my new StoreJet (external-HDD)? What are these folders/files for? How to format the flash drive to NTFS in Windows XP? Technical Support If the answer can't help you, you can contact the Tech Support Department Get Started