XnView Software

Unfortunately it doesn't work. I tested. :(
The answer to why is here: https://www.dedoimedo.com/computers/windows-11-file-assoc.html

"From Windows 10 20H2, none of these solutions really work for an existing user. If you want to make changes, you can, except, the system will totally ignore them ...

Is it possible to make an Export and Import Custom Default App Associations like this:
https://www.elevenforum.com/t/export-an ... s-11.5305/

?