How to Move Unallocated Space to C Drive in Windows 10/11

Updated By

Linda 

Author

Sherly 

Last Updated on April 22, 2024

**Can unallocated space be moved to C drive?** Absolutely. Unallocated space is an empty area on the disk that won't show in File Explorer, and it doesn't belong to any partition. Users can use it to extend other partitions or create new volumes. In most cases, users may want to **move unallocated space to C drive** to expand the system partition. This article will detail **three methods** to **move unallocated space to C drive**. Read on. Before that, we need to figure out why you need to move unallocated space to the C drive.

Why move unallocated space to drive C?

The C drive is where the operating system is installed, and many programs default to installing there as well. There are several reasons you might want to move unallocated space to the C drive:

• Free up space on Drive C:
• Makes it easier to create personal files
• Ensures programs on Drive C: run smoothly

On top of that, many temporary files and caches are generated during regular use, and the C drive can fill up quickly, turning red in the Windows Explorer. Worse, users occasionally receive warnings that they are running out of disk space. In such cases, unallocated space must be moved to the C drive to expand its capacity.

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But how to move unallocated space to C drive? You can learn 3 methods in the next part.

3 Effective Ways to Move Unallocated Space to C Drive (UTF-8)

Moving unallocated space to Drive C is a great way to extend your system drive, so you can install more apps and programs there and ensure that everything runs smoothly. There are three ways to move unallocated space to Drive C in this section. Here's how:

Method 1: Move unallocated space to C drive with Partition Master Tool How to move unallocated space to C drive with Partition Master Tool

Method 2: Move unallocated space to C drive with Disk Management

Method 3: Use Diskpart to Move Unallocated Space to C Drive

There's a table that can help you choose the right method to move unallocated space to drive C. Obviously, Partition Master tool is easier to use, isn't it?

There is one thing you need to know. You may find "Extend Volume" grayed out in Disk Management, or encounter the error message "The disk part cannot extend the volume" because the unallocated space you select is not adjacent to C drive. In this case, you might need a helper – AOMEI Partition Assistant Professional. This tool can help you move the unallocated space next to C drive. Alright, let's start to move the unallocated space next to C drive with AOMEI Partition Assistant.

Step 1: Select the partition next to the unallocated space and choose “Resize/Move”.

Step 2: Place the mouse pointer on the partition, and then drag it left or right to move the unallocated space.

You can repeat Steps 1 and 2 to move unallocated space to where you want it.

Move unallocated space to the desired location

Click “Proceed to Tasks” and then “Apply” to finally add the unallocated space to your target partition.

Next up, we just need the translation in American English for the sentence: "".

Alright, after moving the unallocated disk space next to C drive, we'll proceed to transfer the unallocated space to C drive. Of course, if you're using Partition Master to shift the unallocated space to C drive, there's no need to move it beforehand.

Method 1: Move unallocated space to C drive with Partition Master

AOMEI Partition Assistant is a professional disk management tool designed for Windows users. It supports almost all versions of Windows, so you don't need to worry about compatibility issues. AOMEI Partition Assistant can help you allocate unallocated space to either side of a partition. It's user-friendly, and you'll love its clear interface. Now, download AOMEI Partition Assistant and follow the steps below to move unallocated space to C drive.

Step 1: Locate the target partition.

Please enter the "Disk Management", find the target partition and choose "Resize/Move".

Select the partition to extend.

Step 2: Extend the target partition

Drag the partition panel right or left to add unallocated space into the current partition, and then click “OK” to confirm.

Resize and move the partition to get unallocated space

Extra option: Get space from another drive

If there isn't enough unallocated space, right-click a large partition with enough room and select “Allocate Space.”

In the “Allocate space to” section, select the partition you want to expand.

Select another disk to release space from

Step 3: Perform the operation to expand the partition

Drag the dot for the target partition over to the “Unallocated” space, then click “OK.”

Click the Run Task button, and then click Apply to save all changes.

Can a partition master tool do more than just move unallocated space to drive C? Absolutely. Let's learn more in the next section.

What can Partition Master do?

As a professional and efficient disk management tool, Partition Master helps resolve numerous issues. Its specific features include:

• Migrate OS to SSD/HDD
• Resize hard disk partitions
• Move space from D drive to C drive
• Expand SSD C drive across disks
• Move, merge, resize, and create partitions

If you're tired of disk management or aren't very computer literate, download Partition Master to help you with these issues.

Method 2: Move Unallocated Space to C Drive with Disk Management

Microsoft has retained the Windows Disk Management utility in Windows 10/11, so you can use it to add unallocated space to Drive C. Follow the steps below.

Step 1: Press the Windows key + R simultaneously to open Disk Management via the Run window.

Step 2: Type the following command, and then click OK:

Disk Management

Step 3. Right-click on the C: drive in Disk Management, then select "Extend Volume" to expand your C: drive.

Method 3: Move Unallocated Space to C Drive with Diskpart

As mentioned earlier, you can also use Diskpart to move the unallocated space to the C drive. Let's learn how to do that.

Step 1: Press Windows + R to open the "Run" dialog box. Type in diskpart, then hit Enter. Run it as an administrator.

Step 2: Press Enter after typing each of the following commands:

• list disk
• select disk x (Replace 'x' with the correct number)
• list volume
• select volume c (Replace 'c' with the correct partition number)
• extend size=10240 (Replace '10240' with the desired amount of expansion)
• exit

Then you have moved the allocated space to Drive C with Diskpart.

Also, if you run into trouble, we have some links for you:

Conclusions

That's it for the three ways to move allocated space to C drive. However, Diskpart and Disk Management will only work if the unallocated space is on the right of C:. Therefore, Partition Master is a great choice when the unallocated space is scattered around the drive. You'll love it. If you have other issues, the next section might be helpful.

Frequently Asked Questions (FAQ) about "Moving Unallocated Space to C Drive" in UTF-8 Encoding

Now you know how to move unallocated space to C drive. The section below lists three other questions related to moving or transferring unallocated space to the C drive. Hope they are helpful to you.

How to move unallocated space next to C drive?

You might want to try using a third-party disk management tool, such as Partition Master. This utility can help move the unallocated space next to the C drive, and then you can add that space to the C drive.

This might be because the unallocated space you selected is not adjacent to the right of Drive C. You can use a third-party tool to move the unallocated space next to Drive C.

How to merge unallocated space to C drive in Windows 10?

You can resolve this by using the built-in Disk Management tool in Windows 10. Please follow these steps: