Formatting external hard drive for a mac

Hi,

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? 

Regards 

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

http://wdc.custhelp.com/app/answers/detail/a_id/3865/session/L3RpbWUvMTQyNzQ4OTM2Ny9zaWQvOElRbTNvaW0%3D