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Pick Mac OS Extended (Journaled) the first time you format. Can’t see APFS (Apple File System) as an option?

Or you’ll have all sorts of odd problems using your drive later on your Mac. Your Mac needs the GUID Partition Map scheme. Pick ExFAT if you want your drive read and writeable by both Mac and Windows.Īll the above formats allow you to copy and paste from your Mac to your drive.ĭrag and drop your files to your external hard drive.īut only APFS or Mac OS extended (Journaled) can you use for your Mac’s Time Machine backup. But you can format your hard drive as APFS if you want.

Mac OS Extended (Journaled) is the format that’s the most compatible with newer and older Macs.