A file with a .URL extension, aka website shortcut, is launched in a default browser when double-clicked. The .URL file can be created by quickly dragging the URL from the address bar to any empty ...

To open the file using a different program than the default one, simply select the available program that is listed and the file will open with that program instead.

If it's what I think it is, that's not a file. It's a shortcut basically. There is nothing to open in a text editor because it's just a URL shortcut. You can't 'open with' because it's just a ...