How to Remove File Associations in Windows Vista and 7

Every file in the Windows has an extension which identifies the file and associates itself with the programs, such as .txt for text (notepads) / .doc for (documents) etc. These extensions represent the default program which will open that certain file.

At times; you may need to remove the file extensions or change them; the Windows Vista and Windows 7 does not offer a built-in GUI utility to remove the File Type Associations.

BUT you can easily do this with a program called “Unassoc.exe”.

In order to continue; please follow the steps below:

1) Download and install the tool unassoc_1_4.zip

2) Extract the zip file and open the unassoc.exe file

unassoc

3) You can choose the extension from the list; or search it in the file types (field) and then choose “Remove file Association (User)”.

4) After it has been removed; the specific file will needed to be re-associated which is easy when you open the program; windows will present you with an option to choose a program to open the file with.

5) This program will help if files have been associated incorrectly.

Kevin Arrows
Kevin is a dynamic and self-motivated information technology professional, with a Thorough knowledge of all facets pertaining to network infrastructure design, implementation and administration. Superior record of delivering simultaneous large-scale mission critical projects on time and under budget.

Expert Tip

How to Remove File Associations in Windows Vista and 7

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