How To Partition USB Drive macOS High Sierra

4 Responses

  1. Al says:

    Selecting the Parent Field on the USB drive is the trick. I missed this the first time and downvoted. I would upvote now. My mistake!

  2. Akshat says:

    This volume cannot be resized on 8gb usb

  3. John says:

    What did you use to write your page? I’d like to markup my screenshots with the A, B, C… and then use the same A, B, C graphic in my writeup. Thanks

  1. October 15, 2018

    […] the USB key to have two partitions. Ok, this isn’t super clear, but with a Mac, you need to reformat your USB key to use the GUID Partition Map. You do this by loading your USB key, and then choosing Erase Disk and tell it you want a GUID […]

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