Will using a hard drive as a Time Machine drive erase the contents?

Discussion in 'Mac Basics and Help' started by hajime, Jul 8, 2014.

  1. hajime macrumors 603

    Jul 23, 2007
    Hello, I have an external drive with some data in it. If I use it as a Time Machine backup drive, will the contents already in the drive be erased or overwritten?
  2. brand macrumors 601


    Oct 3, 2006
    A more simple answer is when it asks if you want to use the drive as a Time Machine drive and you say yes then it will partition and/or drive it is asking to use.

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