Use other programs for certain actions
Choose which programs Opera should use to handle specific protocols.
You can create your own list of programs to launch when executing particular protocols in Opera. The default list includes:
|mms||Choose which application Opera should use to display MMS streams|
|rtsp||Choose which application Opera should use to display RTSP streams|
|mailto||Choose which application Opera should use for email; Opera's own built-in client, the default email client on your computer, or a specific other email client.|
You can ask Opera to make sure at each start-up that it is the default browser on your computer.