Are you getting a Windows Security message “These files can’t be opened” when trying to open a file on Windows 11/10? Here is a complete guide on how you can get rid of the These files can’t be opened ...

If you cannot change the default app by File Type in Windows 11/10 then this post is sure to help you resolve the issue. Windows 11/10 provides built-in options to change the default app(s) to open ...

Oh, and yeah, you can't 'open' multiple types of files at once since they would not all 'open' in the same software. I suppose you could make a feature request to Microsoft to add that capability, it ...