Microsoft encourages you to migrate to the new Outlook but recognizes that some may need to run both versions side-by-side during the transition. If there are features or workflows you use that aren't available in new Outlook as yet, you can toggle back to classic Outlook for Windows. You can choose to toggle back and forth to move between the two products and provide feedback on your blockers.| support.microsoft.com
Learn about migrating your settings to the new Outlook for Windows.| support.microsoft.com
Get help with Outlook for Windows, the Outlook app, Outlook.com, and more. Find training videos, how-to articles, and Outlook support content| support.microsoft.com
Learn how to install the HubSpot Sales email extension for Chrome, Office 365, and Outlook on desktop.| knowledge.hubspot.com
Microsoft has released a preview of 'One Outlook' to the public through Windows Insiders - a new version of Outlook for PC, MAC and Web| Timewatch