TO EDIT AN E-MAIL ADDRESS (Outlook Express):
1) In the small Contacts list window, which is the same as your E-mail Address Book, at the lower left-hand corner of the screen, scroll down and find the name you want to edit.
Note: If you don’t see the Contacts List, click on the Addresses button at the top of the window to open your E-mail Address Book.
2) Right-click on the name, then click on Properties with the left or right mouse button.
3) Click on the Name tab.
4) Click on the e-mail address in the center box.
5) Click on the Edit button at the right.
6) Change the e-mail address.
7) Click on the OK button.