Partition recovery from unallocated space with EaseUS Partition Master

Tracy King updated on Sep 11, 2020 to Partition Master | How-to Articles

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.

Download Now

 Windows 10 is supported

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: Launch EaseUS Partition Master on PC

Click on "Partition Recovery" at the top of the main window.

Run EaseUS Partition Master for partition recovery

Step 2: Select a hard disk to search for the lost partition(s)

Choose the hard drive disk or SSD where you lost partitions, and click "Scan".

Run EaseUS Partition Master for partition recovery

Step 3: Wait for the scanning process to complete.

This program will scan the whole disk with two modes - "Quick Scan" and "Deep Scan" to find all lost partitions and data for you.

  • Quick Scan will find your latest or recently deleted partition at a fast speed.
  • Deep Scan will scan and find more and earlier deleted partitions. 
  • If the Quick Scan doesn't find your lost partition, wait patiently till the Deep Scan completes.
Scan lost partitions

During or after the scan, you can double-click the partition marked as "Deleted" to check and view the partition content. If it contains your lost partition data, go to Step 4 and continue. 

Check lost partition contents

Step 4: Select and recover lost partitions

1. Select the lost partition, marked as "Deleted" with previous Labels, capacity etc, and click "Proceed" to continue.
2. Click "Recover Now" to confirm and restore the lost partition.

Scan lost partitions

3. Click the "Execute Operation" button and click "Apply" to restore lost partition.

Scan lost partitions
Download Now

 Windows 10 is supported

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 partition to scan lost data.

On EaseUS Data Recovery Wizard, select a partition like C: drive, D drive or E drive where you lose your data and click "Scan" to start.

select and scan partition

Step 2. Find and preview lost partition data from the scanning result.

After the scan, select and preview found partition data in "Deleted Files" or "Lost Files". The Filter or Search bar may also help you access the lost files.

Preivew found partition data

Step 3. Select and recover lost partition data.

Select all lost partition files and click "Recover" to get everything back. Before making your partition safe to save data again, save all recoverable files to another secure device.

recover data from 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.

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Frequently Asked Questions

Why Choose EaseUS Partition Master?

"I've used Partition Master Professional many times to create, delete, format, move, rename, and resize partitions."PCWorld

"Partitioning tools have come a very long since the days of complicated command line utilities and EASEUS Partition Master is one of the most advanced programs available."TECH ADVISOR

"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."Lifewire

Will the "Migrate OS" feature transfer the Windows system files only or the whole C drive?

To ensure that the migrated system will boot normally, the Migrate OS feature will transfer all the files in the system and the boot partitions. Generally, the boot partition is the C drive so the transfer will include all the files in C.

Does EaseUS Partition Master license apply to multiple computers?

The license of Partition Master Professional and Server editions can be used on 1 computer only, while that for for the Technician and Unlimited editions can be used on multiple machines.

What is the difference between EaseUS Partition Master Trial version and the Free version?

Free is for home users only, with most basic functions available such as partition resize and clone. While trial can help you understand how this product works and test what a full license can do on a business or server OS machine.

Will it cause any data loss after resizing the partition in EaseUS Partition Master?

Generally, it will not cause any data loss or boot issue by resizing a partition. However, in order to protect your data, we suggest that you backup the partition before resizing, in case of any unexpected situations such as power outages, computer hardware failures, etc. You can use EaseUS Todo Backup to backup the partition and its trial version is fully functioned for 30 days.

What should I prepare before resizing the partition?

On the partition that is going to be operated, there might be some files being occupied by other programs. To ensure a successful operation, we suggest that you close all the unnecessary software before resizing that partition. Otherwise, EaseUS Partition Master will detect the partition being locked by the other software and require a reboot to resize the partition under boot mode.

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.

Video Tutorial

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