How do you change outgoing email address?

How do I change my outgoing yahoo email address to my secondary yahoo address that already exists?

• Answer:

  This is how to change the default for the extra e-mail address. Click Options in the upper-right corner of the page and select Mail Options. Under “Management”, click Mail Addresses. In the list of addresses, click your extra address. In the box to the right, next to “Sending Mail”, click Make Default. http://help.yahoo.com/l/us/yahoo/mail/classic/tools/tools-26.html All new mail. 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. Select your extra mail address from the list on the page by clicking it. Click Make Default in the box on the right. http://help.yahoo.com/l/us/yahoo/mail/yahoomail/tools/tools-26.html