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? ESD220C has drop frame issue in non Windows 10 operating system. 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