This will open the local group policy editor. We will go through all the steps of using the group policy editor to create a default associations file and then applying it on the complete network using Active Directory group policy or on a single computer but for all users. If you are a sysadmin or a Power user who wants to set the filetype defaults as per your own requirements, you can use the Group Policy to implement it on multiple users and computers. Once you have selected the app, select Always use this app to open.You will need to browse your desired app executable. If you can’t find it in the list, click on More apps and then Look for another app on this PC. Select your desired program from the list.Right-click on the file you want to open and select Open With.