It won’t work and meetings will still sync if the app and browser tab isn’t refreshed. Note : In testing, I found this solution only works if you close and reopen the Outlook tab as well as the Microsoft app. Uncheck the box that says “Add online meeting to all meetings”.Now click on “View all Outlook” settings.Sign in to Outlook with your normal sign-in details.How to stop all Outlook meetings defaulting to Teams meetings: Certain users may not find this practical and in this blog, we will go over the necessary steps to stop Outlook defaulting to Teams meetings. It also got the capabilities to sync with other Office based applications directly within, such as the ability to sync presentations and host them directly on a Teams meeting, host live document editing when you connect work as well the ability to sync across Outlook, where scheduled meetings can be hosted in Teams from Outlook.

Teams by Microsoft offers its users an effective tool to both schedule and host meetings.

Set up skype meeting in outlook