Option 1 - If you want to back up your sounds, go to Plus! > Sound Library, then export the soundpack. Save it to your computer, then import it when you need to.
Option 2 - Alternatively,
quote:
Originally posted by Reload2
By default, they are stored: C:\Documents and Settings\All Users\Application Data\Messenger Plus!\Custom Sounds
So you
could save them files, but it's much easier to do Option 1.