Clicking on the join button in an Outlook reminder takes you to the browser to launch Teams today. The work to bypass the browser and directly launch Teams is being worked on. We’ll update when we have more details.
An error occurred while saving the commentEd Outhwaite commented
This appears to be fixed... but you need to have a login to teams.
If you are someone in an external organisation that uses outlook, you cannot join the meeting by clicking the link in outlook now.