Instruction is copy from :
https://oit.colorado.edu/tutorial/office-365-outlook-windows-manual-exchange-configuration
- Open the Control Panel
- Click “Mail”
- Add E-Mail Accounts
- Select by Manual Setup or additional server types
- Click “Microsoft Exchange Server or Compatible Service”
- Enter the following information, then click “More Settings…”
Server:outlook.office365.com
Username: <CULoginName>
- Click “Security” tabs
uncheck “Encrypt data between Microsoft Outlook and Microsoft Exchange”
Login network security: choose “Anoymous Authentication”
- Click “Connection” tabs
check “Connect to Microsoft Exchange using HTTP”
check “Exchange Proxy Settings…”
- In the Use this URL to connect to my proxy server for Exchange field, enter
outlook.office365.com
.
Check the Only connect to proxy servers that have this principal name on their certificate, then entermsstd:outlook.com
in the associated text field.
Adjust the following settings:Check the On fast networks, connect using HTTP first then connect using TCP/IP box.
Select Basic Authentication from the Use this authentication when connecting to my proxy server for Exchange drop-down menu.
Then Click OK > OK
- Click “Check Name”
Enter your e-mail address and password then click “OK”
Click “Next”
Click “Finish”