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December 29th, 2025 02:48
Move unallocated space between C: and D:
I have a 1 TB hard drive that is split with C: and D: C: is almost full but D: is mostly empty. Is there a way I can move some of the unallocated space from D: to C:
Thanks
anne_droid
6 Professor
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1.4K Posts
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December 29th, 2025 09:10
Hi
Resizing is possible.
It does take a long time (coupla hours).
https://www.paragon-software.com/free/pm-express/ is a good place to start.
redxps630
9 Legend
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15.5K Posts
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December 30th, 2025 01:03
I would back up the small amounts of data on D: on a small usb drive based on OP report that D: is mostly empty, then delete the volume of D: so D: becomes unallocated. Next crucial prerequisite: there must be no other partition sandwiched between C: and D: partition in disk management.
If that is true, OP can extend C: to include all the space of D:
use Windows' built-in Disk Management(diskmgmt.msc) to add adjacent unallocated space by right-clicking the partition and selecting Extend Volume
https://m.youtube.com/watch?v=nW155n2w71Y&t=325s&pp=2AHFApACAQ%3D%3D