Remove File Association In Windows

The option to remove file association in Windows is conspicuously absent from file associations user interface in Windows 7, so this post will explain to you how can you delete a file association in Windows. Read and follow the steps below to remove a default file association.

Remove File Association In Windows

Remove File Association In Windows

Remove file association in Windows from the Registry

Steps to follow:

  • Click on Start button, in search bar type Run and press enter. You will get below the screen and type Regedit into it and press enter

In my case, I will delete the default association for .ZIP extension. So I will delete .7z

Remove file association in Windows

Registry Editor

  • Find the file extension (in your case this may be .txt, .doc, .pdf etc.) in question under this key in the registry.
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts

Deleting the sub-key with the same name as the extension you want to remove default file association will delete the default file association. You will have to kill and restart explorer.exe for this to take effect. In case restarting explorer.exe service doesn’t fix you may restart your Windows 7 PC to take effect. You may also need to remove the same subkey from below location as well.

HKEY_CLASSES_ROOT

If you want to set default file association In Windows 7 just follow the steps.

Here we go:

From the Windows Start button select Default Programs from the right-hand panel.
Then select “Associate a file type or protocol with a program
Scroll down to the entry for .txt (In your case file extension may be different) and then click on Change Program
You might have to “Browse” for Notepad, but you will find this in C:\windows\system32\ search for notepad.exe select it and open it, here you are done. To check whether you did it correctly or not just open a .txt file and see if it is opening in Notepad.

Also Read- Most Useful Microsoft Windows 7 Registry Tips and Tricks

This was all about “Remove file association in Windows” let me know if you have any doubt or question.

Microsoft.com/Forums

Mangesh Dhulap

This is Mangesh Dhulap the Founder and Editor of IT SMART TRICKS have 6+ years of Industrial Experience. We expect from our visitors to like, share, and comment on our posts.

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