Office 365 - How to Configure Outlook Anywhere for Outlook 2010 | 2013 | 2016
Click the File tab, Click Account Settings, and then click Account Settings.
Select the Exchange account, and then click Change..
Click on the “More Settings…” button, go to the Security tab, uncheck the Encryption option and change the Logon network security to Anonymous Authentication.
Now click on the Connection tab and check “Connect to Microsoft Exchange using HTTP.” Then click Exchange Proxy Settings… Then copy the settings like in the picture below.
Use this URL to connect to my proxy server for Exchange:
Connect using SSL only and "Only connect to proxy servers that have this principal name in their certificate".
Set the proxy authentication settings to Basic Authentication.
Then click Apply, and then click Next. You will receive a prompt to finish, simply input your 365 username and password(firstname.lastname@example.org). You have now configured Outlook to connect to 365 by using Outlook Anywhere.
If you need assistance accessing or setting up your Office 365 account, please contact the Technology Support Center by Phone: (909)537-7677, Email: email@example.com, or visiting us on the Web: Support Center If you have any Office 365 questions, contact the team directly at Office365Team@csusb.edu