I want to extend the partition C: (without losing its contents) by adding the extra free (Unallocated) space before it. However as you can see, the extend is disabled. I know that extend will be enabled when the extra space is after the main partition, the reverse of this situation.

enter image description here

How can I achieve this?


Extending the next partition to the left is, as I think, impossible with Windows Disk Management.

So you would need to use software like GParted to do that. Booting from USB stick or CD/DVD would be needed.

Please run

chkdsk /f c:

before booting GParted.

  • 1
    Last time I did that with GParted it messed up my partition. Couldn't boot anymore.
    – jiggunjer
    Dec 23 '15 at 1:08
  • Use a newest stable GParted always.
    – pbies
    Dec 23 '15 at 10:47

yes it's possible and I found the solution without losing anything;

an application called AOMEI Partition Assistant can do this;

the exact same situation is described here: Windows - Adding Unallocated Drive Space "From the left"

  • 1
    As this can fulfil your requirements, GParted is, as many people can say, better trustworthy than other software of this kind (not only because it is open source).
    – pbies
    Dec 29 '13 at 20:27
  • tnx anyway for your clarification
    – wiki
    Dec 30 '13 at 15:12

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