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I have my Windows 8.1 installed on the primary C: drive and I want to extend its size from other free (unallocated) space. There are lots of solutions online but none of them is 100% correct or offer assurance of not losing data. I can't afford to lose any data. How do I avoid that?
1Disk Management? There is no solution that can guarantee that you won't lose data. This is why you should always do backups. – Rsya Studios – 2015-02-08T02:50:56.923
1There is never a guarantee that you will not lose data when tinkering with partitions, ALWAYS back up first! – Moab – 2015-02-08T03:04:36.780