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Merge Partitions without Losing Data in Windows 10/8/7 - MiniTool


Summary: How to merge partitions without losing data in Windows 10/8/7 becomes a common issue. Read this post to learn the specific guidance to combine two partitions.

It Is Necessary to Merge Partitions

In daily computer use, more and more persons focus on disk management, for example, resize/extend partition, format partition, migrate OS, clone hard drive and more. Thereinto, to merge partitions is a usual partition management operation. For example, if there are many small partitions on a hard disk, you can merge them to create larger ones; if a very important partition (like system partition) is running out of space while its neighboring partition is filled with free space, you can merge them to expand the important one. Well then, how to merge partitions without losing data in Windows 10/8/7? Next, we will give a quite good solution.

Two Ways to Combine Two Partitions

merge Merge Two Partitions via Windows Disk Management

When referring to merge disk partitions in Windows 10/8/7, some of you consider using Windows Disk Management. However, this free Windows built-in tool does not provide you with such a function to merge partitions directly and it requires you to recreate partition after the target partition is deleted.

Take Windows 10 as an example:

In Disk Management, if you want to merge the new volume F to D drive, you must delete F drive to release disk space and then use "Extend Volume" to combine two partitions.


tip Recommendation:
Windows Disk Management is often not working in many cases when managing disk or partition. Check this post- Windows 10 Disk Management Can't Work to get the answers.

However, this way will lead to data loss. In this case, is there any program to merge partitions without losing data? Of course.

merge Merge Partitions without Data Loss

In order to combine partitions without losing data in Windows 10/8/7, a third-party partition tool is needed. Here MiniTool Partition Wizard is highly recommended. It is an all-in-one partition manager that can be perfectly compatible with almost all 32/64 bit Windows operating systems such as Windows 2003, Windows XP, Windows 7, Windows Server 2008, Windows Server 2012, and Windows 10 Technical Preview. More importantly, it helps merge 2 neighboring NTFS partitions without losing any data.


If you want to merge C with D to increase C partition size, for a successful system boot, we strongly recommend you to use "Extend Partition" of MiniTool Partition Wizard Bootable CD. Just get MiniTool Partition Wizard Professional Edition from the following button and create a bootable disc with "Bootable Media".

This post How to Merge C Drive and D Drive in Windows 10 without Losing Data shows you more details.

merge c and d drive

If you need to combine two data partitions, the Free Edition of MiniTool Partition Wizard is available. Just download and install it on your Windows 10/8/7 computer.

Pay attention to the following 2 aspects:

1. Both partitions should be formatted with NTFS. If not, please convert to NTFS via the function "Convert FAT to NTFS".
2. The 2 partitions should be neighboring.

Step 1: Launch MiniTool Partition Wizard Free Edition to get its main interface. Then select the partition C which needs to expand and choose "Merge Partition" from the action panel.

merge partition

Step 2: Select partition you want to expand, namely C drive here. Click "Next" to continue.

what to expand

Step 3: Select the partition that will be included in the target partition and click "Finish". Here select D drive.

tip Tip:
All content on D partition will be saved to a folder whose name can be changed according to actual demands. And the folder will be saved to the first-selected partition C automatically. Therefore, MiniTool Partition Wizard can merge partitions without data loss in Windows 10/8/7.

want to merge

Step 4: Then you will preview partition D has been merged to partition C, and you need to click "Apply" button on the top to apply this change to the computer. Moreover, since C is in use, you need to restart the computer, which is to protect data.


Now you know how to merge two adjacent partitions. If you want to merge a partition with unallocated space, what should you do? "Extend Partition" feature is available. Or this post How to Merge C Drive and D Drive in Windows 10 without Losing Data can help you.

Actually, this partition tool can not only merge partitions without losing data in Windows 10/8/7 but also support many other partition operations, such as extend partition, shrink partition, split partition, copy partition, align partition, wipe partition, and change cluster size. Just have a try.