M365 Changelog: (Updated) Join third-party meetings from Teams

MC661228 – Updated September 15, 2023: Microsoft has updated the rollout timeline below. Thank you for your patience.

When a third-party meeting is created from Outlook or OWA, participants of the meeting will now be able to Join the meeting directly from Microsoft Teams. The participants will see “Join” button on the Teams calendar events card and in the meeting details page. On clicking on the Join button, the link will route the users to the browser or the third-party application to join the meeting. This experience will be available on both mobile and desktop.

This message is associated with Microsoft 365 Roadmap ID 138139

When this will happen:

Microsoft will begin rolling out mid-September 2023 (previously late August) and expect to complete by mid-October 2023 (previously early September).

How this will affect your organization:

This will impact all Teams users who attend and organize third party meetings from Outlook.

What you need to do to prepare:

You may consider updating your training and documentation as appropriate.