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Why do I need to reformat and erase backups on an external backup drive that I have been using for over a year, when I get this dialog box? The backup disk is not in Mac OS Extended (Journaled) format, which is required.

The backup disk is not in Mac OS Extended (Journaled) format, which is required.

MacBook Pro, OS X Yosemite (10.10.2)

Posted on Mar 26, 2015 9:07 AM

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Why do I need to reformat and erase backups on an external backup drive that I have been using for over a year, when I get this dialog box? The backup disk is not in Mac OS Extended (Journaled) format, which is required.

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