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Message: <blockquote data-quote="Vance77" data-source="post: 1299623" data-attributes="member: 79664">Hi, Just wondering what the purpose of Spotlight indexing Time Machine is?I've never experienced this before, but today, after backing up my machine, it started "indexing" and took about three hours to get half-way through before I gave up (my Mac has a tendency to shut itself off when overheating and it kept doing it, which is why I gave up).  Because of the issue with my Mac, I am constantly backing my machine up and am planning on getting a new Mac soon and transferring the data over. So I'm just wondering whether aborting the indexing will affect my files on my external hard drive in any way?Many thanks in advance.</blockquote>