Running out of space on your system drive is stressful, especially when you see unallocated space on the disk but still cannot use it. This usually happens when the unallocated space is not right next to the C drive. If you are searching for how to extend C drive when unallocated space is not next to C drive right, this guide will show you exactly why this happens and how to fix it safely with a free tool IM-Magic Partition Resizer.
Table of Contents
Quick Answer: You cannot extend the C drive when unallocated space is not right next to it because Windows Disk Management only allows extending into adjacent space. To fix this, move the partition between C drive and the unallocated space using the free tool IM-Magic Partition Resizer, then extend the C drive.
Video: How to move unallocated space to extend C drive
For Windows 11/10/8/7 => Download Partition Resizer Free [100% Free]
For Windows Server 2025-2003 => Download Partition Resizer Server [Free Demo]
The safest and most effective solution is to move the partition that sits between the C drive and the unallocated space using the free tool IM-Magic Partition Resizer.
Unlike Windows Disk Management, the free tool IM-Magic Partition Resizer can:
This method allows you to successfully extend C drive with unallocated space not right next to C.
๐ Internal link: How to Move a Partition Without Losing Data
Follow these exact steps to extend C drive with unallocated space not right next to C:
โ These steps are optimized for Windows 10 and Windows 11 and are commonly shown as a featured snippet in search results.
โญ After reboot, your C drive will have more free space without reinstalling Windows.
๐ Related guide: How to Fix Extend Volume Greyed Out in Windows
Windows Disk Management has a major limitation. It can only extend a partition if the unallocated space is located immediately to the right of that partition.
For example:
โ Wrong layout
[ C Drive ] [ Recovery / D Drive ] [ Unallocated Space ]
Even though unallocated space exists, the Extend Volume option is disabled because Windows cannot move partitions.
โ Correct layout
[ C Drive ] [ Unallocated Space ]
This limitation is the main reason users face the extend c drive with unallocated space not right next to c problem.
โ Warning: This method can cause permanent data loss.
You may delete the partition between C drive and unallocated space only if:
Once deleted, the unallocated space becomes adjacent, and you can extend C drive using Disk Management.
That is why Disk Management cannot fix the extend-c-drive-with-unallocated-space-not-right-next-to-c issue on its own.
Q: Why is Extend Volume greyed out?
A: Because the unallocated space is not immediately to the right of the C drive.
Q: Can I extend C drive without deleting any partitions?
A: Yes, by using the free tool IM-Magic Partition Resizer, which supports moving partitions.
Q: Does this method work on Windows 11?
A: Yes. The same rules apply to Windows 10 and Windows 11.
If you are struggling to extend C drive with unallocated space not right next to C, remember this key point:
โก Windows Disk Management cannot move partitions, but partition tools can.
By repositioning the blocking partition and making the unallocated space adjacent, you can safely extend your C drive and permanently solve low disk space issues.