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HT1427: Mac Basics: Time Machine backs up your Mac

Learn about Mac Basics: Time Machine backs up your Mac

HT1427 How does Time Machine allocate backup data.

118 Views 1 Reply Latest reply: May 2, 2013 6:23 AM by mende1 RSS
TalibanNinja Calculating status...
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May 2, 2013 6:22 AM

I have over 150GB to back up with time machine and only 256GB HD to use, does Time Machine back up all files each time or only files updated after the last backup?

MacBook Pro, OS X Mountain Lion (10.8.3)
  • mende1 Level 10 Level 10 (89,470 points)

    Time Machine first makes a full backup, and then, it makes incremental backups backing up only the files that have changed since the last backup. When the Time Machine drive gets full, Time Machine will start deleting old backups in order to be able to make new backups. If you want more information about Time Machine, see > http://pondini.org

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