How do I DISassociate a file type?

Hi,

When you open a file with a particular program, Windows automatically assigns that program as the default program for that file type for easy access. However, sometimes we might not want a particular file type to be associated with any programs. When I checked in Windows 8, I couldn’t find any option to unassociate a file type from its default program.  There are options to associate that file type with a different program but no option to remove an associated program for a file type completely.

However, there is a workaround to unassociate a program for a file type completely. Refer to these steps:

a)      Right click on your desktop, select new in the context menu and then select text document.

b)      Now, a new text document will appear in the desktop. Rename the text document to “test.exe”.

c)       Now, right click on the .obj and .mtl files, click “open with” and select “Choose default program”.

d)      Now, you will get a list of program to choose from, click on “Look for another app on this PC” at the bottom of the list.

e)      In the browser, navigate to desktop and choose “test.exe”.

f)       Now, the .obj and .mtl files would be associated with the “test.exe” program.

g)      Delete the “test.exe” file you created in the desktop. Now, the .obj and .mtl files will not be associated with any program.

However, if you open the document again with Notepad, it might be associated with Notepad again. There is no work around top resolve this as of now.

Hope you find this helpful. Feel free to use this forum for any other Windows related queries in the future; we’d be happy to help.