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How to Merge C and D Drive in Windows 10

Updated on Nov 30, 2018 by Abby Haines to Partition Manager

Summary:
Facing C drive is running out of space problem in Windows 10? Don’t worry! EaseUS partition tool allows you to Merge C and D drive easily without losing any data.

Can I Merge C and D drive in Windows 10 without losing any data?

I upgraded my computer from Windows 7 to Windows 10 and installed some new game software. As everything defaults to C, there are more and more data stored in C drive. Now I find that my system partition is nearly out of space while D drive has lots of free space. So, for a better performance, I would like to merge C & D drive to enlarge the boot partition. But I don't know how can I do it in Windows 10. And I am also wondering that if I will be required to delete all the data. Any suggestion?

Many users have encountered the situation that C drive is running out of space. While facing such a problem, you can choose to merge C & D drive in Windows 10 to solve the problem easily, especially when the D drive is nearly empty or has lots of free space. But how can you merge partitions without data loss? I think it is the topic that many users are interested in. Next, we will talk about it in details.

Combine/Merge C and D drive in Windows 10 with EaseUS partition tool

Many people may know that Windows built-in Disk Management can help to merge C & D drive in Windows 10 for free. But the program has its own drawback. It requires you to delete the other partition before merging the C and D drives since the Disk Management cannot directly resize the partition.

Delete D drive to merge C and D drive.

So to protect your files on D drive without deleting the partition, you might need a third-party partition tool for help. We recommend you EaseUS partition tool. It supports to merge partitions directly without deleting other partitions in advance.

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 Windows 10 is supported

Three steps to combine and merge C and D drive in Windows 10 without losing data:

 

Step 1: Install and launch EaseUS Partition Master on your PC

Right-click on the partition which you want to add space to and keep on the hard drive, and select "Merge".

Run EaseUS partition manager software

Step 2: Select partitions to merge

1. Select one partition next to the former selected partition.
2. And click "OK" to continue.

Select partitions to merge

Step 3: Merge partitions

1. Click the "Execute Operation" button at the top and then click "Apply".
2. The program will merge space and add files from the second partition to the first partition.

Select partitions to merge
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 Windows 10 is supported