How to Merge Non-adjacent Partitions in Windows 10

"I've run out of space on my C drive and I find there is 92GB unallocated space behind E drive. Can I merge non-adjacent partitions to extend system partition? I am using Windows 10." 

Why you can’t merge non-adjacent partitions in Windows 10

Usually, you can easily extend a partition in Windows 10 with Windows disk management tool or command prompt if there is unallocated disk space behind the partition. But, if the unallocated space or partition is far away from the partition you want to extend or merge, the job will become a little bit complicated. You might just get a grayed out Extend Volume option or get an error message 'The volume requires contiguous disk extends'. That’s why so many users asked how to merge non-adjacent partitions Windows 10 or add nonadjacent space to C drive.

This tool is available on condition that there is unallocated space between the two non-adjacent partitions.

According to the picture, you can merge C drive and D drive. You can't merge C drive and E drive because there is a D drive between them.

Merge non-adjacent partitions in Windows 10 with EaseUS partition software

If you are one of those users who is attempting to extend partition with a non-adjacent or non-contiguous unallocated disk space, here you come to the right place. This page introduces you powerful partition software and shows you how to merge non-adjacent partitions Windows 10 with it by moving partition.

 

Step 1: Launch EaseUS Partition Master

1. On the main window, right-click on the partition that you want to merge space to another and select "Delete".

2. Click "OK" to confirm. The deleted partition will display as unallocated.

Step 2: Move the unallocated space next to the target partition

1. Right-click on a partition next to the unallocated space and select "Resize/Move".
2. Drag the selected partition forward or backward, moving the unallocated space toward the target partition, and click "OK".
Repeat 1 and 2 until the unallocated space is moved next to the target partition.

Click the "Execute Operation" button and "Apply" to keep all changes.

Step 3: Merge partitions

1. Right-click on the target partition that you need to add space to and keep, select "Resize/Move".

2. Drag the target partition handle into the unallocated space and click "OK".

3. Click the "Execute Operation" button and click "Apply" to keep all changes.

If two partitions are separated by unallocated space, right-click on one partition (you want to keep) and select "Merge" > Select another partition and click "OK" > Keep all changes by clicking the "Execute Operation" button and "Apply".