Required for local Time Machine backupsĪPFS (Hierarchical File System, aka Mac OS Extended).Natively read/write HFS+ on MacOS up to Mac OS X Sierra.HFS+ (Hierarchical File System, aka Mac OS Extended) Full NTFS support on Mac requires paid third-party app.Natively read/write exFAT on Windows and MacOS.But before I can dig into what makes sense when, look over this quick rundown of the different standards and which OS each one is compatible with. The file format standard you use for your external drive will depend on how you plan on using the drive.
