How to Extend Volume in Windows 10 (2 Methods)?  

How to Extend Volume in Windows 10 (2 Methods)?


Table of Contents
  1. Scenario
  2. Why need to extend volume in Windows 10?
  3. How to extend volume in Windows 10 (2 methods)?
    1. Method 1. Extend volume by deleting adjacent volume
    2. Method 2. Extend volume without data loss
  4. Conclusion

Scenario

Why need to extend volume in Windows 10?

You're experiencing a situation where one of your volumes, possibly the C drive, is full, causing your computer to slow down significantly. Despite deleting unnecessary files, the issue persists. To address this, you can consider extending the volume to increase available space. This can help alleviate the slowdown and provide more room for files and programs.

Extending a partition is a process of reassigning free space on a hard disk, allowing for better utilization of disk space. It's essential to leave some free space on the C drive to ensure smooth operation of the system.

Next, this post will demonstrate you how to extend volume in Windows 10 with 2 methods.

How to extend volume in Windows 10 (2 methods)?

There are two methods to extend volume: deleting adjacent volume or using a professional disk space manager. If the adjacent volume is behind the one that needs to be extended, method 1 is applied. Otherwise, method 2 should be used.

Method 1. Extend volume by deleting adjacent volume

Attention:
1. To extend a volume, there must be adjacent unallocated space. This unallocated space is required to add to the existing volume.
2. If there is no unallocated space, you can either delete the adjacent partition to free up space, or if there is some space available on the existing partition, you can resize it to fit your needs.

Step 1. Press "Win + R" to open Run box, and input "diskmgmt.msc" and press Enter to open Disk Management.

Step 2. In the Disk Management, the disk and partition information will be demonstrated on the main interface.

Step 3. Right-click on the D drive or an adjacent partition, and choose "Delete Volume".

Delete Volume

Step 4. Disk Management will warn you the data on the partition will be deleted, click "Yes" to continue.

Confirm

Step 5. And right-click on the partition you want to extend, and choose "Extend Volume".

Extend

Step 6. And the Extend Volume Wizard will be launch, follow the prompts and finish the operation.

Extend Volume Wizard

Method 2. Extend volume without data loss

Method 1 will delete all data on the adjacent partition, so it's not recommended. If you want to extend a volume, you can use Disk Management to shrink a volume for unallocated space, but it can't be added to the volume you want to extend because the unallocated space is not adjacent to it.

To extend a volume in Windows 11, 10, 8, or 7, you can use a free disk and partition manager called Qiling Disk Master Professional. This software allows you to directly extend a volume using free space on other partitions, even if there is no contiguous unallocated space, eliminating the need to delete any existing volume.

And just download the Demo version and follow the steps below to see how to extend volume without data loss in Windows 10.

Conclusion

In Windows 10, you can extend volume using two methods, but Qiling Disk Master is a better choice as it allows you to do so without data loss. It also features allocated free space, which enables you to reallocate free space to the volume you want to extend, and is available for Windows Server operating systems through Qiling Disk Master Server.

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