In addition to being compatible with macOS and Windows, FAT32 is also compatible with Linux, Android and supports various devices like DVD Player, Game Consoles and others. If you want to use the USB Drive on both Mac and Windows, select FAT32 or exFAT File Format. Select macOS Extended format, if you only want to use the USB Drive on Mac. The type of File System required on a USB Drive depends on the type of device (Mac or PC) on which it is going to be used.