How can you figure out all the emails that have used you as a ';backup'; account on yahoo?

I'm trying to get into old accounts, but i can't remember screennames, anyone know anything?





-Megan %26lt;3How can you figure out all the emails that have used you as a ';backup'; account on yahoo?
Click Options in the upper-right corner of your Mail page and select Mail Options.





From the list on the left, click Accounts.





Click Add or edit an account. You find your other accounts here.