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What kinds of disc types does Backup support?

Windows Live OneCare Backup supports the following types of writeable discs: CD-R, CD-RW, DVD-R, DVD-RW, DVD+R, DVD+RW, and DVD+R DL (Double Layer).

In addition, Backup also supports external disk drives. For more information, see Related Topics.


  • DVD-R DL (Double Layer) and DVD-RAM discs are not supported.
  • In some cases Windows Live OneCare may not recognize the disc you are trying to use, or it may report that the disc is corrupted. Usually, this happens because of differences between brands of writeable CDs and DVDs or variations in disc burner technology.
  • Windows Live OneCare Beta may not recognize rewriteable discs that have been erased or reformatted. To avoid this problem, we recommend you use blank CDs or DVDs for backups.

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