How does auto discover work?
Through the Autodiscover service, Outlook finds a new connection point made up of the user's mailbox. That is, Autodiscover uses the identification made up of a GUID, plus @, and the domain portion of the user's primary SMTP address.
What is auto discovery?
What Does Autodiscovery Mean? Autodiscovery is a group of software tools for detecting and collecting data on network changes and network asset changes such as changes to data (files), memory and software upgrades or versions.
How do I know if autodiscover is working?
Press and hold CTRL and then right-click the Outlook icon in the system tray or notification area on the lower-right corner of the screen. From the menu, select Test E-mail AutoConfiguration. Enter your email address and password for the domain you want to check.