EaseUS Partition Master

How to Make Unallocated Space Contiguous [Step-by-Step Guide]

This passage focuses on how to make unallocated space contiguous. And then, you can learn how to use the unallocated space to extend the partition.

Free Download 

Windows 11/10/8/7100% Secure


Page Table of Contents

Updated by


Written by


Updated on Apr 22, 2024

Unallocated space is space that has not been used and does not belong to any partition. It has programs to write data to the disk. And you may find that you have two or three unallocated spaces on your disk. So, making unallocated space contiguous can be an effective way to manage the lack of disk space. This article will give two ways to help you learn how to make unallocated space contiguous.

two unallocated space

You may also like:

You can click the button below to know detailed information about managing unallocated space.

Can I Make Unallocated Space Contiguous in Disk Management

To make better use of the unallocated space, we need to make non-adjacent spaces contiguous. But Disk Management can't help us finish this operation. 

Disk Management is a very useful tool provided by Windows. It makes it easy to resize partition without losing data. But when you try to make unallocated space contiguous, you will find that it can't operate in unallocated space. Disk Management cannot move unallocated space locations or merge unallocated space into contiguous or non-adjacent partitions on the right.

Besides, when you try to extend the C drive, you will find that the unallocated space can only be extended by the user to the D drive. Because the extended volume can only add unallocated space to the left contiguous partition. Shrink volume can only generate unallocated space on the right side.

extend volume greyed out

When you find that the extended volume grayed out, it could also be due to a variety of other reasons. You can click the link below to find a solution.
related articles

Extend Volume Greyed Out? Fix Can't Extend Volume in Windows [New]

When extend volume greyed out in Disk Management, you can't extend volume or C drive. Are you trying to extend volume or expand volume in Windows 11/10, 8, or 7? Relax! 

extend volume greyed out

In short, Disk Management cannot make unallocated space contiguous. Fortunately, you can use a professional third-party partition manager to accomplish the goal.

How to Make Unallocated Space Contiguous

We already know that Disk Management cannot do that to make unallocated space contiguous. I will recommend an amazing software: EaseUS Partition Master, which makes up for the limitations of Windows tools. It is a powerful tool with a simple interface and easy-to-use steps. Let's see how it can make unallocated space contiguous.

Free Download 

Windows 11/10/8/7100% Secure

Step 1. Select the partition next to the unallocated space, select "Resize/Move".

resize unallocated space

Step 2. Put the mouse on the partition and drag it to the left or right to move the unallocated space.

resize unallocated space 2

You can repeat Step 1 and 2 to move the unallocated space to the desired location.

Move unallocated space to a desired position

Step 3. Click "Execute Task" and "Apply", it will execute the operations to add the unallocated space into the target partition eventually.

resize unallocated space 5

What Else Can EaseUS Partition Master Do?

With the above steps, we learned how to use EaseUS Partition Master to make unallocated space contiguous. EaseUS Partition Master is a good helper for disk management and supports Windows 11/10/8/7 and Windows XP. It can also Help us to solve more problems related to disk partitioning.

Bonus Tip: How to Use Unallocated Space Contiguous

After we make non-adjacent unallocated space contiguous, it's time to know how to use it. Usually, we use the unallocated space for two situations:

1. Use the unallocated space to extend the C drive

2. Create a new partition on the unallocated space

We already know that Disk Management has some limitations. But EaseUS Partition Master can easily use the unallocated space to extend the C drive. Let's take a look at how it works to use the unallocated space to extend the partition.

Use Unallocated Space to Extend C drive

EaseUS Partition Master can directly extend C drive with non-adjacent unallocated space. The "Move Partition" function makes this task very easy.  Here are the specific steps on how to make unallocated space contiguous to the C drive

Free Download 

Windows 11/10/8/7100% Secure

Step 1: Free up unallocated space for C drive.

If there is no unallocated space on the system disk, go to Partition Manager and right-click on a partition next to the C: drive and select "Resize/Move".
Drag left panel of the partition to shrink and leave unallocated space behind the system C: drive and click "OK".

Step 2: Increase C drive space.

1. Right-click on C: drive and select "Resize/Move".

Extend System partition

2. Drag the system partition end into unallocated space so to add space to C: drive and click "OK".

Add space to C drive

Step 3: Keep all changes to extend C: drive.

Click the "Execute Task" and click "Apply" to keep all changes so to extend the system C: drive.

Confirm to extend system C drive

Create a New Partition on Unallocated Space

After making the unallocated space contiguous you will get a larger unallocated space. In this space, you can create a partition and use it to store data. With EaseUS Partition Master, you will know how to create partitions in just a few simple steps.

Step 1. Launch EaseUS Partition Master. On the main window, right-click on the unallocated space on your hard drive or external storage device and select "Create".

Step 2. Adjust the partition size, file system (Choose the file system based on your need), label, etc. for the new partition and click "OK" to continue.

Step 3. Click on the "Execute 1 Task(s)" button and create a new partition by clicking "Apply".

Watch the following video tutorial and learn how to create a partition in NTFS, FAT, or EXT file system.


In this guide, we know that we cannot use Windows built-in tool Disk Management to make unallocated space contiguous to the C drive. But with EaseUS Partition Master, we can meet our different needs for unallocated space. 

In three simple steps, we can make the unallocated space contiguous. Once the unallocated space is contiguous, you can use the unallocated space wisely. EaseUS Partition Master is a very reliable tool for creating new partitions.

FAQs About How to Make Unallocated Space Contiguous

This section will show three frequently asked questions and answers about unallocated space. Please read on if you are interested.

1. How do I make unallocated space usable?

You can make a new partition on unallocated space or use unallocated space to expand an existing partition. EaseUS Partition Master can easily help you with using and allocating unallocated space. You can also use Disk Management to make unallocated space available.

Step 1. Hold down "Windows+R" to open the Run window and type "diskmgmt.msc".

Step 2. Right-click on the unallocated space you want to use and select "New Simple Volume."

Step 3. Follow the prompts to set the drive number, file system, and other settings.

2. Why do I have two unallocated spaces?

If your hard disk is larger than 2 TB and initialized to MBR, your disk may be divided into two unallocated spaces by Disk Management. If you want to merge unallocated space larger than 2TB, you need to convert MBR to GPT.

3. Can you remove the unallocated partition?

Since unallocated space does not belong to any partition, you cannot delete unallocated space. You can do this by creating a new partition on the unallocated partition or by moving the unallocated space into an existing partition. Both of these methods can remove unallocated partitions.

How Can We Help You

About the Author

Updated by Sherly

Sherly joined EaseUS in 2022 and she has always loved writing articles and enjoys the fun they bring. She receives professional training here, focusing on product performance and other relative knowledge. She has written over 200 articles to help people overcome computing issues.

Read full bio

Written by Cici

Cici is the junior editor of the writing team of EaseUS. She accepted the systematic training on computers at EaseUS for over one year. Now, she wrote a lot of professional articles to help people resolve the issues of hard drive corruption, computer boot errors, and disk partition problems.

Read full bio

Product Reviews

Product Reviews

TrustScore 4.7 | 49 reviews
  • I love that the changes you make with EaseUS Partition Master Free aren't immediately applied to the disks. It makes it way easier to play out what will happen after you've made all the changes. I also think the overall look and feel of EaseUS Partition Master Free makes whatever you're doing with your computer's partitions easy.

    Read More
  • Partition Master Free can Resize, Move, Merge, Migrate, and Copy disks or partitions; convert to local, change label, defragment, check and explore partition; and much more. A premium upgrade adds free tech support and the ability to resize dynamic volumes.

    Read More
  • It won't hot image your drives or align them, but since it's coupled with a partition manager, it allows you do perform many tasks at once, instead of just cloning drives. You can move partitions around, resize them, defragment, and more, along with the other tools you'd expect from a cloning tool.

    Read More

EaseUS Partition Master

Manage partitions and optimize disks efficiently

Free Download 

Windows 11/10/8/7100% Secure

Get EaseUS Partition Master

Your best companion for disk partitioning, MBR to GPT/GPT to MBR conversion,even OS migration

Free Download 

Windows 11/10/8/7100% Secure