If you are using an Office Outlook installation from the Microsoft Store, the Teams Meeting add-in isn't supported.If users do not see the Teams Meeting add-in, instruct them to close Outlook and Teams, then restart the Teams client first, then sign in to Teams, and then restart the Outlook client, in that specific order.User permissions to execute the Regsvr32.exe file is a minimum requirement for the Teams Meeting add-in to be installed on the computer.See Upgrade from Skype for Business to Teams for details. Under some circumstances, the Teams add-in is not available in Outlook. There are additional considerations if your organization runs both Teams and Skype for Business.There is no direct URL that links to the Teams add-in.Conditions: The installed Microsoft Outlook for macOS version is 16.20, and the installed Webex desktop App is on version 33.6.4.15. If you want to continue using Outlook with Webex, update Webex to the latest version. Click disable to use Outlook without Webex. Symptom: Users who upgraded their Microsoft Outlook for macOS to 16.20 (181125) are getting the following message: Unsupported Version of Webex Plugin Detected. Web conferencing, online meeting, cloud calling and equipment. Cisco Webex is the leading enterprise solution for video conferencing, webinars, and screen sharing.

Webex for mac outlook plugin