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Expand Storage Space with an External Hard Drive
Although being able to access more storage space is useful for current projects and documents, it is even more important for backing up the information you have stored on MacBook.
With an external hard drive, you can use the Mac OS X Time Machine feature to back up your important data. Should something happen to this data on MacBook or to the MacBook itself, you can easily recover the data from the external drive so that you do not lose important information or your investment in iTunes content or applications. For more information about Time Machine, see Chapter 17.
Expand Storage Space with an External Hard Drive
Select the top partition.
• Its information is shown in the Volume Information section.