Fix 'Deleting Files Doesn't Free Up Space' Error in Windows 10/8/7

Tracy King updated on Dec 19, 2018 to Partition Manager | How-to Articles

Why deleting files doesn't free up space on Windows disk/external hard drive/USB

"Hi guys, have you ever met this problem that the Windows hard drive or storage devices became full and you tried to delete or remove files from it so to free up more available space, but nothing worked? 
I got this problem on my computer partitions E: and F:. I planned to remove the useless files from both partitions so that I can get more free available space back. It turned out that nothing changed.
The space is still occupied after I deleting many files.
Why is that? And what else I can do to free up space on my disk?

It seems that it's no longer a new problem for users to meet this issue that even when they've already deleted files, the drive still shows occupied with no extra available free space. So how to fix this issue and get free space back on your device? Relax! Just follow below tips offered in this page and you'll be able to fix 'deleting files not free up space' error and free up space on Windows disk, external hard drive, USB, SD etc devices with ease now.

Note: In order to avoid unexpected data loss issue while freeing up space on your devices, please backup important data or remove saved files to other spot first.

How to fix 'deleting files not freeing up space' error on hard disk/USB etc devices?

Here in this part, you'll find three recommended methods to effectively free up disk space in Windows 10/8/7 now:

Method 1. Run partition manager freeware to free up space on USB/SD/hard drive

Professional partition manager freeware - EaseUS Partition Master Free supports you to effectively free up space on Windows hard drive, partition or external storage devices with two reliable options. You may try either option to free up available space on your drive now:

Download Now

 Windows 10 is supported

Option 1. Free up space by cleaning junk files and large files


Step 1: Launch EaseUS Partition Master. Select "Tools" and click "System Optimization".

choose system optimization

Step 2: Click "Junk File Cleanup". Then you can click "Analyze" to let EaseUS Partition Master find junk files on your PC.

choose junk file cleanup

Step 3: You can check and choose junk files and click Clean up. All of the selected junk files will be cleaned and deleted from your PC. Click "Yes" to clean up junk files.

Clean up junk files

Option 2. Free up space by erasing disk/devices in Windows

Step 1: Install and launch EaseUS Partition Master.

Select the HDD or SSD which you want to wipe. And right-click to choose "Wipe Data".

select wipe data

Step 2: Set the number of times to wipe data.

You can set to 10 at most. Then Click "OK".

set the times

Step 3: Check the message.

A message tells you that the computer would restart after disk erase is recommended. Then click "OK".

check the message

Step 4: Click "Apply" to apply the changes.

Click "Execute the operation" and then click "Apply" to start wiping data.

start wiping data

Method 2. Run CMD to erase/clean drive/SD/USB

DiskPart with CMD command line also allows you to erase all data and free up disk space on your storage devices. Let's see how to use DiskPart to clean disk and free space on your drive now:

Step 1. Right-click the Start button and select Command Prompt (Admin);
Step 2. Sign in with your account and password, type: diskpart and hit Enter;
Step 3. Type: c:\windows\SYSTEM32\cleanmgr.exe/dDrive and hit Enter; (Replace dwith the drive letter of your disk or device.)
Then the selected partition or device will be cleaned up automatically.

Method 3. Use DiskPart to clean disk and free up space

1. Right-click Start button and select Command Prompt;
2. Type:diskpart in Command Prompt and hit Enter;

Use diskpart to free up disk sapce.

3. Type: list disk and hit Enter;

Select disk/device to free up space.

4. Type: select disk 2 and hit Enter; (Replace 2 with the disk number of your device.)

Free up disk space by diskpart.

5. Type: clean and hit Enter;

Clean to free up disk space by DiskPart command.

Wait for the process complete till the message 'DiskPart succeeded in cleaning the disk' popped up.
Type: exit and hit Enter to close DiskPart.


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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.