How to Create New Volume using Unallocated Space in Windows 10

Usually while installing Windows on new computers, people either create a single disk drive of full HDD space or leave some unallocated space. You can use this unallocated space for dual-booting Windows your PC. But if you wish to use it as data storage, you can create a new disk volume using the unallocated space in your HDD.

For creating a new disk drive or volume from unallocated HDD space, we will use Disk Management Utility. Using Disk Management Utility you can also delete volumes, change drive letters, shrink a volume, etc. Follow this tutorial to see the process of making a new volume from unallocated disk space.

SEE ALSO: How to Extend C Drive Space in Windows 10?

Make New Volume (Disk Drive) from Unallocated Disk Space in Windows 10 or 11

So, let’s go through the process step by step. We will start with the Disk Management utility.

Step 1: Open Disk Management Utility

First of all, go to RUN, type diskmgmt.msc , and press Enter to open Disk Management Utility.

Disk Management Utility will open. Alternatively, you can also open Disk Management from Computer Management. Here, you will see details of all the disks and volumes present on your computer.

Make sure you have unallocated space available on your PC. We will use this unallocated space to create a new volume.

Step 2: Start New Simple Volume Wizard

Now, right-click on unallocated hard disk space and select ‘New Simple Volume…‘ to create a new disk drive using selected unallocated HDD space.

New Simple Volume Wizard will start. You can use this wizard to make a new volume or disk drive from selected unallocated space in your HDD.

Step 3: Provide the Size of the New Volume

New Simple Volume Wizard will guide you throughout the new disk drive creation process. Click Next to continue.

Next, you will see the maximum available free disk space to create volume from. Enter the size of the new volume in the input box next to “Simple volume size in MB“. You can select all free space or a portion of it if you wish to create another volume. Finally, click Next to continue.

Step 4: Select Drive Letter and Format to Create the New Volume

We have assigned the size to the new volume (disk drive). Now we need to assign a drive letter to the newly created disk drive and format it.

So, select the drive letter that you want to assign to the new volume. If you are not sure about this option, just leave it as it is and simply press Next.

Now, we need to format the volume. So, select the “Format this volume with following settings:” option and select file system, Allocation unit size, volume level. You can also leave these settings to default. Finally, check the box next to “Perform a quick format” and click Next. The Wizard will create a new volume from unallocated space using selected options.

Step 5: Create New Volume from Unallocated Free Space

It may take some time depending upon the size of the volume to format the newly created volume. After formatting is complete, click Finish to exit the wizard.

Step 6: Check Newly Created Volume in your Windows 10 PC

Open Disk Management utility to check the details of newly created disk drive (volume).

You can also check the newly created volume in ‘This PC’ on your Windows 10 computer.

SEE ALSO: How to Create Password Reset Disk (USB) for Windows 11?

Use Unallocated HDD Space to Create a New Volume in Windows 10

Using above mentioned steps, you can easily create a new disk drive or volume from unallocated disk space. If you don’t have any unallocated space in your HDD or SSD but one of your drives has enough free space, then you can shrink that disk drive to make some free space. After that create a new disk drive using that unallocated space.

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