Formatting external hard drive for a mac


I’ve installed WD My Book 4TB on a Samsung laptop that has Windows, but it doesn’t work on a Mac.

How do I get it to ALSO work on a Mac so I can save Logic files to the drive? 


Welcome to the WD Community.

See if the following link helps.

How to partition and format a WD drive on Windows (8.1, 8, 7, Vista, XP) and Mac OSX