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  1. #1

    Member Since
    Jan 31, 2007
    Partition an External with information still on it...?
    Is it possible to partition an external hard drive when there are still files on it? I'm on a 15"MBP OSX10.4 and I'm using a 500gb WD mybook studio edition.

    My mac has been running a bit iffy lately and I wanted to back it up but don't have enough money right now for another external. I already have about 300gb on it and wanna try to split it into 350/150.

    If it is possible can anyone give me directions or point me to a site where I can figure it out?


  2. #2

    chscag's Avatar
    Member Since
    Jan 23, 2008
    Keller, Texas
    2017 27" iMac, 10.5" iPad Pro, iPhone 6s+, iPhone 7+, Numerous iPods, High Sierra
    It is possible with Disk Utility IF there's enough free contiguous space to create another partition. Since you already have 300 GB on that external, I rather doubt you can do it. What format are you using on the external drive?

    If it's formatted as FAT-32 rather than HFS+, you can use the free GParted Linux utility to non-destructively create another partition.


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