You can not forward mail from one account to the other, unless you go in and manually forward each and every single one individually yourself. For a one time only move, you can use the import service in Yahoo. How to Import Contacts from other webmail accounts:
In upper right corner of screen, look for, then click on "Options:"
Options/ mail options
you will be in the 'general' section, click on 'contacts' in list on left of screen
Click on 'transfer contacts to Yahoo'
Re-enter your password, then a permissions page, then a TOS page.
Click 'Start Transfer.'
Enter your ID name for old E-mail, pick the webmail domain of old account.
Enter old password, click next.
You may need to enter the ID name, provider and password again, if they need to verify anything
Then check the information you want to transfer to your Yahoo! account.
You can send a note to your contacts of new E-mail address. Check box beside 'Send a note,' if you want your own note, click 'Click here to personalize.'
Click 'Next' when done.
Click 'Next' to transfer the information.
The 'Finished' page will confirm transfer.
Please note that it may take as long as 24 hours to complete the transfer.
or click here:
To transfer all E-mail's and contacts
http://help.yahoo.com/l/us/yahoo/mail/ya…

