How to format external Toshiba drive without erasing?

Discussion in 'iMac' started by asdf212, Jan 27, 2013.

  1. asdf212 macrumors regular

    Feb 9, 2010
    IO have an external Toshiba drive that I added a few files onto on a windows computer now Im using my iMac and I want to format it so its not a 'read only' drive, HOwever I cant lose any of the files on the drive..?
  2. Intell macrumors P6


    Jan 24, 2010
    It's read only because Macs don't have the ability to write to NTFS drives. You cannot format it without erasing it. That's the definition of formatting. You can try a third party NTFS driver that will allow your Mac to write to a NTFS drive like NTFS-3G or Tuxera NTFS.

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