Merge Partitions Windows 8 or 8.1 with Partition Magic Tool

Learn to merge adjacent partitions in Windows 8 without deleting partition with Windows 8 built-in Disk Management and AOMEI Partition Assistant.


By Lucas / Updated on May 12, 2023

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Situation 1: When a hard drive has been used for a period of time, the partitions, especially system (C) partition would face the problem of "low free space", but other partitions have plenty of free space. Under this circumstance, you can merge partitions Windows 8 to get a larger partition without any data loss.

Situation 2: different people choose to store their data on different disk. Therefore, day after day, there must be a problem that one partition is lack of free space, while the other partition may have free space or unallocated space. When you are in this situation, you muse extremely want to take full use of space. But what can you do to solve the problem you come across?

When meet these problems, some users will choose to uninstall some applications which they don’t use frequently. However, after a time your problem will come out again. Therefore, no matter what situation you may come across above, you need to find a way for how to merge two partitions to gain much space especially for you system drive.

Disk Management is a built-in tool in Windows 8 which can help you manage your partition. Generally speaking, Windows 8 built-in Disk Management can help to merge partitions, but it can work only when there is an adjacent unallocated space so that you have to delete the adjacent partition first. In this case, its limitation may bring you some trouble such as: there is a risk of losing data, and if we move the files to another partition, it will cost a lot of time and no body would like to do this time consuming job.

As a Partition Magic tool, AOMEI Partition Assistant is of great help in merging adjacent partitions and unallocated space freely. What's more, it avoids deleting partition as well as data loss.

  • Built-in Tool-Disk Management
  • AOMEI Partition Assistant Standard

AOMEI Partition Assistant is a professional manager for your disks/partitions and it is free for you. Furthermore, it can help you resize partition, merge partitions, copy partition, move partition, windows to go creator that make you managing your partitions safely and easily. Meanwhile, you benefit from the simple interface that enables you to finish your task in seconds.

Next, it is the steps of merging partition C and partition D.

Step 1: download AOMEI Partition Assistant Standard Edition, install and run it

Step 2: right click destination partition C and choose “Advanced” and select “Merge Partition”.

Step 3: in the pop-up window, select partition C and D in the partition layout, and then press"OK"

Step 4: press "Apply" in the toolbar

After the merging partitions is complete, all the data in the D drive will be saved in a folder named "D-drive" under the C: drive.

The system partition must be the destination partition, so here "Merge partition C and D", in other words, means add partition D to partition C (system partition).


  • AOMEI Partition Assistant is also fully compatible with the latest Windows 8.1, and the steps of merging partitions in Windows 8.1 are the same as those to merge partitions in Windows 8.
  • If you want to merge two partitions, the partitions must be adjacent.
  • This software can merge a partition (except System Reserved partition) with unallocated space. The unallocated space can be adjacent to the partition or not.

In conclusion, as all-in-one partition magic software, AOMEI Partition Assistant possesses so many other functions besides merge partitions Windows 8. What’s more, all of the features can be worked on Windows 7, Vista, XP, 2000. You can download and prove it by yourself.

Lucas · Staff Editor
I prefer peaceful and quiet life during vacation,but sometimes I watch football match if my favorite club performs brilliantly in that season. And I love reading, painting and calligraphy, thus I send my friends festival handwriting cards every year.