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.
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Low Disk Space Error on Windows 11, How Do I Fix? Your Guide Is Here

Updated by Tracy King on Jul 14, 2021

Disk Space, known as disk storage or storage capacity, is the logical storage space for storing data and install applications on an internal hard drive/SSD, external hard drive, USB, etc., devices. When the storage space runs out, you'll get a warning message, telling you that your drive is low disk space.

So how will you fix this issue? We are about here to guide you in resolving this issue on the latest Windows 11. If you've updated to Windows 11, follow the fixes below for help.

Windows 11 low disk space error

 If you are using Windows 10 or older operating system, follow this tip for help: 12 Ways to Fix Low Disk Space Error

How to Fix Low Disk Space on Windows 11 - 5 Ways

What to do when your computer warns of low disk space error on Windows 11? 

  • First, stop using your disk and don't save further new files into the disk. 
  • Second, turn to a reliable method that can get rid of this error from your PC.

To make things easy, here we collected 5 tried and efficient ways that can help to fix Windows 11 low disk space error:

  1. #1. Extend Disk Space, Adding More Storage Space
  2. #2. Free Up Disk Space
  3. #3. Clean Up Temporary Files
  4. #4. Transfer Installed Apps to Other Drive
  5. #5. Move Files to Cloud/External Disk

Besides the above 5 normal ways, you can also try the following tips to get rid of low disk space issue:

  • Clean up junk files, large files
  • Empty recycle bin
  • Delete duplicate files
  • Run anti-virus software

You May Also Be Interested In: 

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How to Reallocated Disk Space without Losing Data

Besides the above solutions, it's important that you make good use of the hard disk space on your computer. For a detailed guide, refer to this page for help.

Image of EaseUS Partition Master allocating disk space.

Editors' Suggestion: Among the 5 methods, to ensure that you fix this error quickly and losslessly, we suggest you pick Method 1 for help. 

Method 1. Extend Disk Space by Adding More Storage Space

Duration: 1-3 minutes.

Tool: Partition manager software - EaseUS Partition Master

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EaseUS Partition Master enables you to flexibly adding more storage space to extend the target disk space. Here you have two options to get rid of this issue:

#1. Adjust with 1-Click to Move Unallocated to Target Drive

The Adjust with 1-Click feature in EaseUS Partition Master allows you to easily move unallocated space on the disk and add them into the target drive. Even if the unallocated space is not neighbored, you can still add the unused space in the other drives to your target volume.

Here are the steps:

Step 1. Click "Adjust with 1-Click" on the right panel.

When your partition is out of space, EaseUS Partition Master will pop up low disk space warning and offer "Adjust with 1-click" option.

how to fix low disk space on your drive or partition step 1

Step 2. Click "OK" to automatically extend partition. 

EaseUS Partition Master will extend the partition to solve the low space issue intelligently after clicking "Adjust with 1-click", and you only need to click "OK" to continue.  

how to fix low disk space on your drive or partition step 2

You can also click "Manual Adjustment" to extend the partition size manually if the Smart Space Adjustment cannot satisfy your needs. Then, click "OK" to continue.

how to fix low disk space on your drive or partition manually

Step 3. Execute operations to extend low disk space partition.

Click the "Execute Operation" button at the top corner and keep all changes by clicking "Apply".

how to fix low disk space on your drive or partition step 3

#2. Allocate Free Space to Target Drive

The Allocate Disk Space feature in EaseUS Partition Master enables you to flexibly allocate free space from one partition to the target drive. Here is how to do so:

Step 1. Locate the Target Partition

To start extending partition, you should first locate the target partition and select "Resize/Move".

Select target partition to extend

Step 2. Extend the Target Partition

Drag the partition panel rightward or leftward to add unallocated space into your current partition and click "OK" to confirm.

choose another drive to allocate space

Extra Option: Get Space from Another Drive

If there is not enough unallocated space on your disk, right-click on a big partition with enough free space, select "Allocate space ".

Then select the target partition that you want to extend at the allocate space to column.

choose another drive to allocate space

Step 3. Execute Operations to Extend Partition.

Drag the dots of the target partition into the unallocated space and click "OK".

finish extending partition

Then Click the "Execute Operation" button and click "Apply" to keep all the changes. 

Method 2. Free Up Disk Space via Storage Sense

Duration: 3-5 minutes

Tool: Storage Sense - Windows built-in tool.

Storage Sense is a built-in tool that comes from Windows 10, it continuously works on Windows 11. It allows you to free up disk space by deleting unnecessary files, empty recycle bin, and other content on your disk.

When the low disk space issue comes up, you can apply this tool for help:

Step 1. Click the start button, select Settings.

Open Storage Sense

Step 2. Go to System > Storage > Enable Storage Sense.

Enable Storage Sense

Step 3. Check what is taking up space on your disk.

Check what is taking up space

Here, you can manually check each section and clean the relative content by hand.

Or, you can enable the automatic cleanup feature in Storage Sense with the next step.

Step 4. Click the right arrow next to the Storage Sense switch, choose the files that you want to delete from your target disk drive automatically.

Check to delete and free up disk

Step 5. Select Configure Storage Sense, check the box under Cleanup of temporary files, and enable Automatic User content cleanup.

Configure storage sense to delete selected items automatically

Step 6. Set when to run Storage Sense and how often that you would like to delete files in Recycle Bin, etc.

Set the date to fre up disk space and fix low disk error on disk

Windows 11 will automatically start cleaning up files based on the configuration settings above.

Method 3. Clean Up Temporary Files with Disk Cleanup Tool

Duration: 2-5 minutes

Tool: Disk Cleanup - Windows built-in tool

Disk Cleanup tool is another Windows built-in tool for freeing up disk space. It enables you to delete temporary files, system files, and some downloaded files online.

Here is how to fix low disk issues using Disk Cleanup:

Step 1. Press Windows + S keys, type disk cleanup, select to open Disk Cleanup from the list.

Open Disk Cleanup tool

Step 2. Select the drive which contains low disk space error to clean up, click OK to continue.

Select the drive with low disk space error to free up

Step 3. Check the boxes next to the type of files that you want to delete. Click OK to confirm.

You can check Downloaded Programs, Temporary Internet Files, Thumbnails, Recycle Bin, etc., to remove from your target disk.

Check items to free up

Method 4. Transfer (C Drive) Installed Apps to Other Drive

Duration: 2-5 minutes

Tool: Application transfer tool - EaseUS Todo PCTrans

On most Windows computers, installed applications, programs, and software are taking huge storage space on the system disk. If there is a tool that can transfer installed software and programs from C drive to other drives, it will release huge storage space on your OS disk.

How to do so? Professional application transfer tools like EaseUS Todo PCTrans can help. Here are the steps of fixing low disk error on the C drive by moving installed apps:

Method 5. Move Files to Cloud/External Disk

Duration: 5-30 minutes

Tool: File backup tool or cloud backup app

The last way that can solve the low disk space error on Windows 11 is to back up and move files to a Cloud or external hard drive. You can either manually copy and paste files, or upload large files to a cloud drive. 

EaseUS file backup software can execute both operations and back up large files to the target location by taking up very small storage space. 

Step 1. Run EaseUS Todo Backup and choose "File" on the main window.

choose file backup

Step 2. On the "File Backup" window, you can choose the target files you want to backup

choose files you want to backup

Then add the plan name or text description to the file backup and then choose a backup location.

To backup files to an external hard drive, click "Browse..." in the "Destination" area.

Product News
EaseUS Todo Backup now supports users to back up files to the cloud. All you need to do is sign up with an EaseUS account, then you could enjoy a large cloud storage space. More advantages of backing up to the cloud include accessing backup files anytime and anywhere, saving file copies offsite, so you don't need to worry about virus attacks or computer failures, and easier and faster backup and recovery operations.
choose external hard drive to backup files

Also, if you're interested in getting more backup features, go and find them by clicking "Schedule", "Image-reserve strategy" and "Backup options".

schedule file backup

Step 3. After settings were all made, click "Proceed".

When the backup operation completes, you can delete the big files on your drive. Then the low disk space error will be gone.

Windows 11 Low Disk Space Issue Is Fixable, Follow to Remove It from Your PC Now

On this page, we collected 5 effective ways with detailed steps to help you remove the low disk space error from Windows 11 computers. 

Apart from the above fixes, here are some tips that work to prevent this issue from happening on your computer:

  1. 1. Add and leave enough storage space to the target disk drive.
  2. 2. Timely remove and delete temporary files, recycle bin, and useless large files on disk.
  3. 3. Transfer installed programs to a non-system drive.
  4. 4. Backup files to an external or cloud drive.

Last, allocating disk space properly is the key point that prevents not enough disk space, insufficient disk space, or low disk space error from happening. And EaseUS Partition Master can simply do this for you in only a few clicks.

1 Year Lifetime$55.96$69.95

Happy autumn sale once for all

In a word, Windows 11 low disk space error is not complex that you can fix it on your own. Go and follow the methods above to remove it from your PC immediately.

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Updated 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.

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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.

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  • 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.

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  • 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.

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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.

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