Additional methods If you're using a custom domain This diagnostic does automated checks and returns possible solutions for you to use to try to fix any detected issues. Click Run when you are prompted by your browser. Use the I need help setting up my Microsoft 365 email in Outlook diagnostic in the Support and Recovery Assistant (SaRA). Solution Recommended method Method 1: Run Microsoft 365 Support and Recovery Assistant For help in connecting Outlook to a third-party service, contact your third-party mail provider. For help in connecting to Exchange Online from a mobile device, see Set up and use Microsoft 365 on your phone or tablet.

This article discusses Outlook 2016, Outlook 2013, and Exchange Online.

In organizations that use Active Directory synchronization, the mail, mailNickname, displayName, and proxyAddresses attributes are not set up correctly for the synced user in the on-premises Active Directory.

The Autodiscover CNAME record for your domain doesn't exist or isn't set up correctly.

The required updates for Outlook to automatically connect to Exchange Online aren't installed for the version of Outlook that you're running.The wrong email address was entered on the Auto Account Setup page of the Add New Account Wizard in Outlook.This problem occurs for one of the following reasons: When you test by using the Microsoft Remote Connectivity Analyzer, the following error message may be returned:Īutodiscover cannot process the given e-mail address. Additionally, you receive the following error message when Outlook tries to set up the server settings for your profile:Īn encrypted connection to your mail services is not available When you try to set up a new mail account for Microsoft 365 by using the Add New Account Wizard in Microsoft Outlook, your Outlook profile isn't automatically set up.

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