You may see a message appear in Microsoft Outlook 2016 that says something similar to:
Outlook was redirected to the server Autodiscover-s.outlook.com to get new options for your account .
Do you want to allow this server to configure your parameters?https://autodiscover-s.outlook.com/autodiscover/autodiscover.xml
Click Allow only if you fully trust the source, or if your Exchange administrator instructs you to.
If you see this message pop up a lot and wish to disable it, you’re free to turn it off using these steps.
