Discussion in 'macOS' started by chris650, Oct 30, 2010.

  1. chris650 macrumors regular

    Jun 15, 2010
    I just switched to mac... bought an iMac ... now I have an external usb drive.... what format should i format it? what are the difference in different formats?
  2. Hal Itosis macrumors 6502a

    Hal Itosis

    Feb 20, 2010
    As per the menu options in Disk Utility, choose: Mac OS Extended (Journaled)
    [avoid Case-sensitive]

    If you need more detail than that, see Technical Note TN1150.

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