Free to Merge Unallocated Space to C Drive without Losing Data on Windows

How to free merge unallocated space to C drive so that you can increase the size of C partition on Windows 10, 8, 7, Vista, XP without losing any data on the hard disk?

Windows uses usually like to divide a new hard drive into several partitions when installing it on their computer. Once you have divided a hard drive and format each partition successfully, you may find some volume may remain unused while some volume is running out of space.

Make a change? Is it possible to extend C drive by merging unallocated space to it on Windows computer without losing any data on your computer?

Merge Unallocated Space to C Drive on Windows 10 / 8 / 7 / Vista

Although you cannot merge unallocated space with C drive directly since there is no Merge partition option under Disk Management of Windows Vista / 7 / 8 / 10, you can add unallocated space to C drive by using its Extend Volume function.

To merge unallocated space to C drive with Disk Management Extend Volume function, you should make sure that the unallocated space is contiguous to the C partition under Disk Management. Then, you can right click C drive and choose Extend Volume option.

How to get unallocated space on Windows 7 8 10 Vista? -> Delete Volume

Deleting volume is the only way to produce unallocated space next to the c drive to merge/extend with Disk Management.

Question: Does shrink volume produce unallocated space in Disk Management?

Answer: Yes, shrining a volume can produce unallocated space, however the produced unallocated will not be close to the C drive and there is no way to use the unallocated space for c drive if it's not adjacent.

Solution: Deleting the volume that stands in between is the only way in Disk Management, or you may use free tool Partition Resizer that can freely move unallocated space close to c drive without losing data.

delete volume

Video - how to shrink volume, create new volume and copy D drive data to somewhere else, and delete D drive to merge unallocated space to c drive

Merge Unallocated Space with C Drive without Deleting Partition

IM-Magic Partition Resizer Free is a partition manger, which is able to be compatible with Windows XP, Vista, 7, 8 and 10. Therefore, you can use this partition magic software to add unallocated space to system partition so that you can increase the size of this partition without reinstalling system, without deleting volume or losing any data on your computer.

Here are the steps.

Step 1 - Right click a large volume to shrink the space, and produce unallocated space with Partition Resizer.

Steps to resize your disk partition

Step 2 - If the unallocated space is not close to the C drive, you may right click the partition that stands in between and move it right forward without losing data (THIS IS THE CRUCIAL STEP THAT CANNOT BE ACCOMPLISHED BY DISK MANAGEMENT), and then the unallocated space will be next to the C driveresize partition

Move D partition and move unallocated space without losing data

free space after shrinking other large server partition

Step 3 - Right click c drive and go to 'Resize/move Partition' and drag the border to claim the unallocated spaceextend 2003 c

Step 4 - Click APPLY button in the software to get every task done.

Video - how to shrink partition to extend c drive

Download IM-Magic Partition Resizer Free Edition

download free windows 10 partition software

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FAQs:

Q: Cannot merge c drive with unallocated space?

A: If the unallocated space is not close to the c drive, it cannot be extended with Disk Management.

Solution: Move the unallocated space next to c drive with Partition Resizer that can do the job.

Q: Allocating free space from D drive disk 1 to c drive Disk 0?

A: It's not possible to move unallocated free space from one to another without the help of RAID. Here is the solution:

  • 1, Build Disk 1 and Disk 0 with RAID
  • 2, Reallocated free space from Disk 1 to Disk 0 c drive with free tool Partition Resizer when there was RAID.

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