My computer system crashed and had to have a full re-install performed on it, and as such i lost all settings in Outlook Express 6.0

I am attempting to get the following settings back but need help because i cannot figure out how to do it.

Where: Above the message list (in btwn Folder Name and Identity Name on
grayed title bar).
What: A list of email accounts that could be selected from to send email as
merely by double clicking on that email account. (scrolling list box)

How: ?????????? Help!! ??????????

I have racked my brains looking through every option I could find, as well as Googled and visited Microsoft to no avail! If anyone can help me please shoot me an email @ it.dept@verizon.net Thanks so much!