Question: how to create a rule to forward all email in outlook 2013?
Answer: Click File on the top left of Outlook's main page. ... 
Click "Manage Rules & Alerts" in the Account Information panel to bring up the Rules and Alerts window.
Click New Rule at the top left corner of the Rules and Alerts window. ... 
Select "Apply rule on messages I receive" under the Start From A Blank Rule section.