How to open Default Application File open with GPO?

Sometimes very easy step is difficult to me. Here is step how to deploy.
In this lesson I gonna show you .txt file is default open with wordpad file. And deploy user with gpo.

1.) Create new GPO name (example: BlaBla)
2.) Leave the GPO and go to regedit. Go to this path (HKEY_CURRENT_USER-->Software-->Windows-->Explorer-->FileExts-->.txt key)
3.) Right click in .txt and choose New --> String Value
4.) Then you can see (New Value #1) from the right side.
5.) Give the name to be (Application)
6.)After you name the string to be Application, then right click the Application string value and click Modify.
7.) Add value date to be wordpad.exe and click OK to close.
8.) When all this finish, Right click the .txt key file and Export into C drive or D drive.
9.) Put this reg file into the user logon script of gpo. add user into security filtering setting.

OK...That it.This is how to deploy default application file open with GPO.

Myo