Automatic configuration for Outlook 2013 (AutoDiscover)
Setting up Outlook automatically with Hosted Exchange 2013
Open "Control Panel"
Auto Account Setup
Outlook will search for settings
The Autodiscover Prompt
Server Settings Verified
If you see the message above your email address, password or autodiscover record may have been entered incorrectly. Login to webmail to verify your password. If you are successful try the setup again. If not, contact your administrator for a password reset.
You can verify the autodiscover record by following the DNS guide.