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Time Machine Taking Up Space on Internal Drive Prior to Backup?

581 Views 3 Replies Latest reply: Nov 21, 2013 7:43 AM by mr.bill RSS
mr.bill Level 1 Level 1 (15 points)
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Nov 21, 2013 5:33 AM

Hello- I have a Macbook air with an SSD. Thus, I'm quite aware of HD usage.


I've noticed my internal SSD space availability fluctuates a lot. It will go from 125GB available suddenly down to 75GB. The only reasons I can think of is a TM backup. There is nothing else that could suddenly take or add so much space.


Anyone know if TM locally stores backups before actually doing a backup or anything similar?




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