MC255072: New Outlook for Mac Preview becomes default experience in Preview Channel

With usage growing daily in our preview experience, we are rolling out Outlook for Mac to Preview Channel as the default experience for any user who has never tried the new experience. The default-on Outlook toggle provides access to enhanced performance and user experience across Mail, Calendar, People, and Search.
We announced the toggle in July 2020 (MC219576).

MC255072: New Outlook for Mac Preview becomes default experience in Preview Channel

Affected Workloads

  • Microsoft 365 Apps

Note: If your organization does not use Outlook for Mac you can safely disregard this message.

When this will happen

We will begin rolling this out in early July (previously early June) and expect to complete rollout late August.

How this will affect your organization

Users will be switched into the new Outlook for Mac experience upon starting the client. Users can turn the toggle off to switch back to the legacy experience as desired. The feature update uses Microsoft sync technology and the updated experience offers an easily customizable experience that uses Microsoft Services to provide relevant suggestions and insights.

Users can turn the toggle off to switch back to the legacy experience as desired.

What you need to do to prepare

For new Outlook for Mac users with questions, users can reach out to support via Outlook > Help > Contact Support.

After opening a support request, a help icon will appear next to the New Outlook switch to provide easy access to the current request.

Help icon will appear next to the New Outlook

Additionally, when a support agent provides a response, a red badge will appear on the help icon.

Red badge will appear on the help icon when support agent provides response.

If you prefer to hide the toggle to enable the New Outlook before this change is applied then refer to this article: Set preferences for Outlook for Mac – Deploy Office | Microsoft Docs

Learn more

Message ID: MC255072
Published: 07 May 2021
Updated: 30 June 2021
Effective: August 31, 2021