Want to know how to recover unallocated partition with data on it? Here, two solutions are listed. Try to use these methods to recover data from unallocated hard drive space with the
professional data recovery software
which would not bring any damage to the original data.
Hard Drive Suddenly Became "Unallocated"...
Hard drive/external hard drive/USB drive becomes unallocated? Have you ever encountered this issue? What should you do if the unallocated partition contains some important data? Don't worry. This post will show you how to effectively recover unallocated partition with data on it.
What Does It Mean When a Hard Drive Is Unallocated?
First, let's see a true example:
I accidentally deleted a partition that was not to be deleted when re-installing Windows and as soon as realized it, I canceled the setup but the partitions are gone, now the disk is unallocated and I need to recover the lost partition. Can someone please help me to recover it? All of my data is in that partition. Please, I need help.
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Unallocated space, sometimes called free space, is a logical space on a hard drive that the
operating system
, like Windows, can write to. You cannot use this space without allocation. This means that no programs can be written in unallocated space.
To make use of unallocated space, you need to either create a new partition using this space or expand an existing partition. However, what if this unallocated space contains massive important files? In this case, you should try other ways to fix unallocated hard drive space.
Why Does Hard Drive/External Hard Drive/USB Flash Drive Become Unallocated?
What makes your drive becomes unallocated? Many reasons can cause unallocated hard drives.
Tip:
If your hard drive becomes unallocated, you should stop writing new data to the drive. Meanwhile, please use a professional recovery tool to start the
hard drive data recovery
immediately. Otherwise, the original data on the unallocated space will be
overwritten
.
Now, it's time to learn how to fix unallocated hard drives without losing data in Windows 11/10/8/7. In the following part, there are 2 excellent ways for you to get unallocated hard disk space back.
Way 1: Fix Unallocated Hard Drive With MiniTool Power Data Recovery
To fix unallocated hard drive space without losing data, you should recover data from unallocated space first of all. Then you can create a new partition on this unallocated space or add the unallocated space to an existing partition.
Move 1: Recover Data From Unallocated Hard Drive Space in Windows 11/10/8/7
When it comes to unallocated hard drive data recovery, MiniTool Power Data Recovery, green and professional data recovery software, proves to be an excellent choice.
With this all-in-one software, you can easily and quickly recover lost data from unallocated hard drive space without damaging the original data because of its high recovery rate, easy-of-use, and high security.
And, it has good compatibility. Various common
file systems
(like FAT12, FAT16, FAT32, exFAT, HFS+, and
ntfs
) and operating systems (like Windows Server, Windows 7, Windows 8, Windows 10, Windows 11, and so on) are fully compatible with MiniTool Power Data Recovery.
And this professional data recovery software allows you to recover files from not only hard disks but also flash drives, memory cards, etc.
To recover unallocated partition data, you can get this software. Here you can try the Free Edition (Free to scan and show the scanning result, 1GB data recovery allowed) to check whether it can help to find the files you need after scanning the unallocated hard disk space. If yes, to complete the recovery operation, just
upgrade to the Personal Edition
.
Now, how do you perform unallocated hard drive data recovery with MiniTool Power Data Recovery?
Step 1: Launch MiniTool Power Data Recovery to get its main interface, and then you can see 2 different modules.
Logical Drives
: Show all partitions on this PC, including all partitions on the local disk, external hard disk, and
removable disk
drive. Lost partitions and unallocated space are also included.
Devices
: In this section, you can select the whole device to scan if you want.
Before scanning your drives, if you only want to recover some specified file types, you can click
Settings
to select specific file types, like documents and pictures. Then click
OK
to save your settings.
Now you can go to the
Devices
section and click
Scan
to scan the whole disk. Or you can select the unallocated partition under the
Logical Drives
section to scan.
Tip:
If the device is not found on the list, please click the
Refresh
button to make the device visible in the list. Here, I guess you might be interested in this post:
Solved - External Hard Drive Not Recognized
.
Step 2: This data recovery software will start to scan the target disk. To ensure the best recovery result, please wait patiently until the scan completes.
After scanning, you can click the
Filter
icon to filter out unnecessary files by file size, file category, file name, or date modified, which is good for promoting file recovery efficiency.
Step 3: Finally, check all needed files and click the
Save
button to select a place to save checked files. Then click the
OK
button.
Note:
Never save the needed files to the drive where you lost your data. Otherwise, the lost/deleted files will be overwritten.
See, by using MiniTool Power Data Recovery, you can quickly and safely recover data from unallocated hard drive space in Windows 11/10/8/7. Now, get this software to have a try.
After recovering data, let's see how to make use of this unallocated hard drive space.
Move 2: Fix Unallocated Hard Drive Space in Windows 10/8/7
To allocate unallocated space on a hard drive, you have 2 options: add the unallocated space to an existing partition or create a new partition on the unallocated space.
Option 1: How do I add unallocated space to an existing partition?
Step 1. Download and launch MiniTool Partition Wizard.
Step 2. Select any existing partition, and then click
Extend Partition
from the left action panel.
Step 3. Choose the unallocated space from the drop-down list of "
Take Free Space from
", and drag the sliding handle rightwards or leftwards to decide how much free space to take. Then click
OK
to continue.
Step 4. Finally, click
Apply
to perform changes.
Option 2: How do I create a new partition on the unallocated space?
Step 1. Launch MiniTool Partition Wizard.
Step 2. Select the unallocated space, and then click
Create Partition
from the left menu.
Step 3. Then, confirm
Partition Label
,
Partition Type
,
Drive Letter
,
File System
,
Cluster Size
,
Partition Size
, and
Partition Location
. Then click
OK
to go back to the main interface of the software.
Step 4. Finally, click
Apply
to perform all changes.
Way 2: Recover Unallocated Partition Win 11/10/8/7 With MiniTool Partition Wizard
In addition to recovering data and creating a new partition in your hard drive that contains unallocated space, you can also directly restore the entire partition and partition data using professional software.
MiniTool Partition Wizard is a good option for recovering unallocated partitions in Windows 11, Windows 10, Windows 8, Windows 7, and so on.
This professional tool offers the
Partition Recovery
feature to help you easily and quickly recover unallocated partitions and data as long as a new partition has not been created on this unallocated space.
Besides, this professional
partition magic
offers wizard-based interfaces as well as simple operations which can help users effectively recover unallocated hard disk space without any difficulty.
Here you can see a video tutorial to know how to recover unallocated space.
Step-by-Step Guide to Fixing Unallocated Hard Drive Space in Win 11/10/8/7 Without Losing Data
MiniTool Partition Wizard has a Free Edition for you to use but it can only scan the lost partitions instead of recovering them. Here, you can download it on your computer to try whether it can find the files you want to recover and then you can decide whether to get a full version or not.
Step 3: Select the target disk you want to recover and click
Next
.
Step 4: Choose a scanning range from
Full Disk
,
Unallocated Space
, and
Specified Range
, and then click the
Next
button. You can click
Full Disk
to scan the whole hard drive.
Step 5: Set a scanning method like
Quick Scan
to scan the specified range and click
Next
to continue.
Step 6: Wait for the scan process to complete. Then double-click each found partition to check if it contains the lost files you want.
Step 7: Select all needed partitions including existing partitions and deleted/lost partitions, and then click the
Finish
button.
Warning: You Must Check All Partitions You Want
. Otherwise, the unchecked ones will be deleted after partition recovery.
If you are using the Free Edition to recover partitions, you will get a window to ask you to
upgrade to the advanced edition
to recover unallocated hard drive spaces without losing data.
Step 8: Right-click the recovered partition and click
Change Drive Letter
to assign it
Drive Letter
, thus you can see it and view its files in File Explorer.
Step 9: Click the
Apply
button in the lower left corner to perform all changes.
See! It is very easy to recover unallocated partition with data on it, isn't it?
Are you still worrying about how to recover unallocated partitions in Windows 10/8/7 without losing the original data? Now, you can try the above-mentioned two methods to recover unallocated partition with data in it.
Like this post? Share it to help more users get rid of the unallocated space error!
If you have any questions or suggestions, please feel free to contact us via
[email protected]
or leave a message below.
Unallocated Partition FAQ
What is unallocated space?
Unallocated space is a logical space on your hard drive, but you cannot write any data to this partition. To make use of the unallocated space, you can create a new partition on it or add this space to another existing partition.
How do I allocate unallocated space in Windows 10?
Right-click the
Windows logo
key and click
Disk Management
.
Right-click the unallocated space and select
New Simple Volume
.
Enter the size and click
Next
and you are done.
How do I assign unallocated space to C drive?
Launch MiniTool Partition Wizard.
Right-click the C drive and choose
Extend Partition
.
Choose the unallocated space.
Drag the sliding handle leftwards or rightwards to decide how much space to take.
Click
OK
and
Apply
to perform all changes.
How do I merge partitions?
Launch MiniTool Partition Wizard.
Select the source partition and click
Merge Partition
from the left action panel.
Click
Next
to continue.
Select the partition that will be included in the target one, and click
Finish
.
Click the
Apply
button in the upper left corner to confirm.
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