This post teaches you how to corrupt a file purposely to make it wont open any longer.
3 free file corrupters are included with detailed guides to help you do the task.
How to Corrupt a File (Word, Text, Excel, PDF, etc.)

Sometimes you might want to corrupt a file purposely so it wont open anymore.
How to easily corrupt a file like a Word file for free?
Below we sift the top 3 free online file corrupters.

you might choose one to destroy your file easily.
It allows you to easily corrupt any file for free.
After corrupting the file, no one can open it due to technology hassle.

The operation is extremely easy.
Corrupt My File
Another popular online free file corrupter is Corrupt My Files.
you’ve got the option to upload your file and let this service corrupt it for you.
Then you could download the corrupted file.
It has no file size limit.
The original files are automatically deleted after finishing the corruption process.
PineTools Online File Corrupter
The free online file corrupting service also lets you corrupt your files easily.
Then you’ve got the option to define how much you want to corrupt the file.
you might drag the slide bar to adjust the amount of corruption.
How to Corrupt a File by Changing the File Extension
Step 1.
Show the file extensions.
it’s possible for you to open File Explorer on your Windows 10 computer.
ClickViewtab and checkFile name extensionsoption to show the file extensions.
Next, right-tap the file and clickRename.
Change the file extension of the file.
In the pop-up warning window, clickYesto confirm the file name extension change operation.
Then the file will be unusable.
Open File Explorer again, clickViewtab and uncheckFile name extensionsoption to hide the extensions of files.
How to Corrupt a Word File on Windows with Notepad
Step 1.
Click Start, jot down notepad, and click Notepad app to open it.
In Notepad, click File tab and click Open.
In the pop-up file selection window, select All Files at the right-bottom corner.
Then pick the Word file and click Open.
Delete several words or lines of the text.
Click File -> Save As.
Select All Files bang out, give a name for the file, and click Save.
Then if you attempt to launch the corrupt file with Word and it shouldnt be able to open it.
To get back your files, you have to use aprofessional data recovery program.
MiniTool Power Data Recoveryis a free data recovery tool that is compatible with Windows.
Corrupted orformatted drive data recoveryis also supported.
Download and roll out the clean and free program MiniTool Power Data Recovery on your Windows 10 computer.
Below is the simple guide for recovering deleted/lost files.
MiniTool ShadowMakeris a professional free PC backup software.
in a few clicks.
Scheduled automatic file backup and incremental file backup are supported.
Download and install MiniTool ShadowMaker on your PC and check the simple guide for file backup below.
Corrupted files refuse to open properly.
Each file on your rig has a certain structure.
Can You Uncorrupt a File/Fix a Corrupted File?
Restarting your system might help if the file corruption error is because of temporary operating system glitches.
Run a virus scan for the file or the whole computer OS.
One way to repair a corrupt file is to delete the file and replace it with an earlier version.
Check:How to restore the previous version of Word document.
RunSFC Scannowto check and repair corrupt system files.
Try some professional file repair tools.
Check how to do it below.
Still, a free file recovery solution and a file backup method are also provided.
Some tips to fix a corrupted file are also offered for your reference.