File Extension Opener Open Files of Any Extension Easily Getting Started Welcome to File Extension Opener! Open files of all extensions on your PC with the following guide. Open Any Extension File To open files of any unknown extension on your PC, follow the steps listed below: 1. Double click on the unknown extension file “.bup”. 2. File Extension Opener application’s window opens. 3. Click on ‘OK’ to search for suitable applications to open the file. 4. You’ll be redirected to easyfileopener.org where you will find a list of suitable programs to open the file. 5. Download the program of your choice to open your unknown extension file. Uninstallation Instructions: To easily uninstall File Extension Opener from your Windows System, click here
