Not sure which version you're currently running, see What version of Outlook do I have? Classic Outlook on Windows. If your accounts are supported in the new Outlook for Windows, you'll see a toggle in the upper right of classic Outlook to Try the new Outlook.. Selecting this toggle will download the new app and let you switch to the preview.

Start Registry Editor: In Windows 10, go to Start, enter regedit in the Search Windows box, and then select regedit.exe in the search results.

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Learn how to download Microsoft Support and Recovery Assistant to help fix problems with Microsoft 365, Office, or Outlook.

Cause. This issue occurs because the Exchange Server 2010 Client Access server does not calculate the PreferredSite value appropriately for the Autodiscover service request from the Exchange Server 2003 user.

Fixes an issue in which Active Monitoring probes may be in failed status and return an Autodiscover Soap Endpoint Verification exception in Exchange Server 2016.

Exchange Web Services (EWS) events that are related to AutoDiscover, Availability Services, MailTips and Out of office (OOF).

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Fixes an issue in which the "Get-FederationInformation" command cannot query federation information from an external Exchange organization in an Exchange Server 2010 environment. This issue occurs when SSL offloading is enabled on the external Exchange organization.

How to change your password in Outlook.com. To get support in Outlook.com, click here or select Help on the menu bar and enter your query. If the self-help doesn't solve your problem, scroll down to Still need help? and select Yes.. To contact us in Outlook.com, you'll need to sign in.