“Is this portable hard drive compatible with MacBook Pro mid-2012 with OS Sierra?”

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• Hi, The My Passport Ultra for Mac comes pre-formatted in HFS+ Journaled for macOS Mojave, High Sierra, Sierra or El Capitan. Need Help? Please see our "'Contact Us" page for information.

  Answered by Western Digital Team 5 years ago

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• I have a 2014 pro and had to upgrade to Catalina I think which isn’t most recent but it worked after that

  Answered by Anonymous 5 years ago

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