EaseUS Partition Master

A simple partition tool to manage disk space in Windows 11/10.

  • MBR to GPT Converter, make Disk Ready for Windows 11.
  • Migrate Windows 11 to New SSD in 1-Click.
  • C Drive Cleaner & Windows 11 Performance Optimizer.
  • Rescue Data When Windows 11 Corrupts or Dies.

Partition recovery from unallocated space with EaseUS Partition Master

Updated by Daisy on Apr 27, 2021
Written by Tracy King

Do partition recovery from unallocated space with EaseUS Partition Master

Recover files from unallocated space with EaseUS Data Recovery

Fix unallocated hard drive with CMD

Why is partition recovery from unallocated space necessary?

Partition recovery from unallocated space might be needed when partition is deleted or lost by accident. Delete a partition by accident might be easy to understand while how partitions can be lost automatically? Changes in your operating system, virus or spyware infections or a newly installed drive can often lead to unallocated disk space on your hard drive.

Case 1:

"Hi, my main problem is that the partition with data is now shown as unallocated. I have a 500 Seagate HDD that was mainly used as external HDD. It has 3 partitions A, B, C where A has all my data while the other two were empty. After installation of Windows 7, A and B become one unallocated space. How do I recover unallocated partition?"

Case 2:

Also, another user shows the desire of free partition recovery from unallocated space, after the description of his situation, he wrote: "PS - I understand there is partition recovery software you can buy that may be able to recover unallocated partition, but I'm looking for a charge-free one." How do we recover unallocated partition for free?

We will share a free utility to do partition recovery from unallocated space here - EaseUS Partition Master.

How to do partition recovery from unallocated space with EaseUS Partition Master?

1. Check if you need to recover unallocated partition

To make sure if the partition is lost and you need to do partition recovery from unallocated space, you can check with the following steps:

1. Click on the "Start Menu" and click on "Control Panel". Select the "Administrative Tools" icon, and then select "Computer Management".

2. Click the Disk Management heading in the left frame of the next window. This will list the installed drives on your computer.

If the partition doesn't appear there, it is lost and you can initiate the above partition recovery from unallocated space process.

2. Partition recovery from unallocated space

EaseUS Partition Master Professional Edition fully supports 32-bit and 64-bit Windows business users (Windows 10/8.1/8/7/Vista/XP).

EaseUS Partition Master Server Edition works perfectly with Windows Server 2016/2008/2003 etc both 32-bit and 64-bit users. 

Download it for free, install it on your PC, activate it for partition recovery now:

Step 1. Open EaseUS Partition Master and click "Partition Recovery" on the top menu. A new window will appear and ask you to select a disk to start searching for lost partition(s). So choose the desired disk and click "Scan".

partition recovery step 1

Step 2. A quick scan will immediately start. You can pause the scanning process by clicking "Proceed" at any time when the lost partition shows up to start your data recovery.

partition recovery step 2

You can double click on the partition you're looking for to preview its content.

partition recovery step 3

Step 3. As soon as the lost partition and data has been found, click "Recover Now". Or else, go on with "Continue Scanning" for more lost data recovery.

partition recovery step 4

Step 4. After the recovery process, click "Finish". Your lost partition should reappear in your drive.

partition recovery step 5

How to recover files from unallocated space with EaseUS Data Recovery

If the Partition Recovery of EaseUS Partition Master fails to recover your lost/deleted partition, how to fix unallocated hard drive without losing data? Don’t miss out on EaseUS Data Recovery - another powerful drive/partition saver. 

Step 1. Select and scan the lost partition

Launch EaseUS Data Recovery Wizard, select the "Lost Partition" and click "Scan" to search for all the lost data. If there are many lost partitions, you can identify them through its partition size.

select the deleted partition in the lost partition option

Step 2. View the results

Apply the "Filter" feature or click the "Search files or folders" button to find the lost files.

Preview the found partition data

Step 3. Recover data from the lost partition

Choose all found data and click "Recover" to restore them. 

recover the wanted data from the deleted partition

How to fix unallocated hard drive with CMD

Fixing unallocated external hard drive in Windows 10 can be easy with the two software in the previous part. Also, you can try to fix unallocated space on hard drive by using CMD. Follow the step-by-step guide:

Step 1. Press Windows + R, input CMD, and press Enter.

Step 2. Input the command we listed in each line and press Enter.

diskpart > list volume > select volume* (Choose your drive letter.) > delete volume > delete volume override 

Step 3. Create a new volume on the Disk Management, and set the file system to recover the unallocated hard drive.

Was This Page Helpful?

Updated by Daisy

Daisy is the Senior editor of the writing team for EaseUS. She has been working in EaseUS for over ten years, starting from a technical writer to a team leader of the content group. As a professional author for over 10 years, she writes a lot to help people overcome their tech troubles.

Read full bio

Written by Tracy King

Tracy joined in EaseUS in 2013 and has been working with EaseUS content team for over 7 years. Being enthusiastic in computing and technology, she writes tech how-to articles and share technical solutions about Windows & Mac data recovery, file/system backup and recovery, partition management and iOS/Android data recovery.

Read full bio

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

About EaseUS Partition Master

All-round disk & partition management software for personal and commercial use. Let it manage your storage drive: resize, format, delete, clone, convert, etc.

Product Reviews



Video Tutorial

Video poster

How to Partititon a Hard Drive on Windows 10/8/7

Was This Page Helpful

How Can We Help You

Find answers to common questions below.