How to Delete Unallocated Space (5 Methods)

How to effectively delete unallocated space? This article will provide a variety of ways to help you easily solve this problem.

What is unallocated space?

Unallocated space refers to space on the disk that does not belong to any partition, does not contain any file system, and cannot be used. It will not be automatically assigned to other partitions and will not disappear automatically. Therefore, many users will ask: Can unallocated space be deleted?

It is impossible to directly delete unallocated space. So, how to remove unallocated space in Windows 10/11? There are two main methods:

• Create a new partition: Create one or more new data partitions on unallocated space to store files.
• Extend an existing partition: Extend unallocated space to an existing partition to increase the storage capacity of that partition.

Next, we will explain in detail how to delete unallocated space by creating and extending partitions.

How to delete unallocated space in Windows 10/11?

Method 1: Create a new partition

(1) Create a partition using disk management

Disk Management Tools can display detailed information on each drive and all partitions on your computer, and allow you to move, expand, compress and more.

The steps are as follows:

1. Right-click the Windows logo button and select Disk Management .
2. Right-click Unallocated Space and select New Simple Volume .

3. Follow the on-screen instructions to specify the volume size, drive letter, file system, and other values. Finally, click the Finish button and the space is removed without allocating.

(2) Create a partition using the MiniTool Partition Wizard

If you cannot create a new volume on unallocated space due to "New Simple Volume" graying out or other reasons, you can choose to use the professional and free partition manager - MiniTool Partition Wizard. This tool removes unallocated space for free.

The steps are as follows:

1. Download, install and start the MiniTool Partition Wizard.
2. On the main interface, select Unallocated Space and click the Create Partition option in the menu bar on the left.

3. In the new window, set the partition tag, drive letter, file system, etc. Then, click OK .
4. Finally, click the Apply button in the lower left corner to make this take effect.

(3) Create partitions using CMD

If you are familiar with the command line, you can also choose to create partitions through CMD. The main steps are as follows:

1. Press the Windows R key combination. Then type diskpart in the text box and click OK . After that, select Yes option in the pop-up window.
2. In the command line window, type the following commands. You need to press Enter after entering each command.

• list disk
• select disk x ( x represents the disk number containing unallocated space)
• create partition primary size=0000 (0000 represents partition size)
• assign letter=x (replace x with the drive letter you want to assign to the new partition)
• format fs=ntfs quick (replace ntfs with the target file system)

Method 2: Extend existing partitions

(1) Use disk management to extend partition

The steps are as follows:

1. Open Disk Management.
2. Right-click the target partition next to Unallocated Space and select Extend Volume .
3. Click Next and follow the on-screen instructions to complete the necessary actions.

(2) Use the MiniTool Partition Wizard to extend the partition

If your partition does not meet Microsoft-specified criteria, you may experience the issue of "Extended Volume" graying out. In this case, you can use the MiniTool Partition Wizard free version to extend the volume. It breaks through disk management's requirements for continuous unallocated space and can help you extend partitions using NTFS and FAT32 file systems.

The steps are as follows:

1. Launch the MiniTool Partition Wizard free version.
2. On its homepage, select the target partition to expand the storage space and click the Extended Partition on the left.

3. Select the unallocated space you want to occupy and drag the slide handle to the right to decide how much space you take up. To delete unallocated space, you need to drag the handle to the end. After that, click OK .

4. Finally, click Apply . Now you will not see the unallocated space.

Summarize

This article details how to delete unallocated space. Hope these instructions are helpful to you. If you have any questions about MiniTool software, please feel free to contact us.

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