Microsoft Outlook AutoDiscovery is an Exchange Server feature which makes it so much easier to configure the Outlook profiles. The only information you need to know to set up Outlook using this feature is your email address and mailbox password. This is sometimes easier than using Outlook Profile Helper.
- A special DNS record must be configured for your domain in order for you to take advantage of the Outlook AutoDiscovery feature.
Read the Knowledge Base article on What Is An Autodiscover Record And Why Do I Need It? for more information.
- If you want to automatically enable Cached Exchange Mode (this may improve performance), you should use the Outlook Profile Helper. Outlook 2013/2016/2019 enables Cached Mode by default when configuring using AutoDiscovery feature.
- If you want Outlook to be able to save your password, you need to use the Outlook Profile Helper.
Read the Knowledge Base article on What Is Outlook Profile Helper? How Do I Use It? for more information.
To set up Outlook using the AutoDiscovery feature:
1. Go to Start > Control Panel > Mail > Show Profiles and click Add. You will see the New Profile window. Type a profile name and click OK.
2. Type your name, primary email address, and your mailbox password twice, then click Next.
Read the Knowledge Base article on What Is My Username And Primary Email Address For My Exchange Mailbox? for more information.
3. When you get a security prompt, check the box Don’t ask me about this website again and then click Allow.
4. You’ll then might be prompted for your user name and password. Enter your primary email address in the User name box and type your mailbox password.
5. Outlook will now discover your email server settings and configure itself to connect to your mailbox. Once it’s completed, you can click Finish. Now you can open your new profile in Outlook.
Note: If you are configuring Outlook using the Autodiscovery feature, checkbox On fast networks, connect using HTTP first, then connect using TCP/IP might be NOT checked. It can slow down Outlook performance. To check the box, check Change account settings (above screenshot) > Next > More Settings > Connection > Exchange Proxy settings.