Additional meeting and call-related features and issues within Microsoft Teams for business
Hello athena
I am V. Arya, Independent Advisor, to work with you on this issue. Try to clear cache of Teams
Close Microsoft Teams app
Press Windows key, hold it and press r
Paste the following into Run Window
%appdata%\Microsoft\teams
Copy everything from this folder to some other place in your computer. Hence, it means that you will have a backup.
Now delete everything within this folder
Open Microsoft Teams app and now check
As a workaround till your problem is solved, use Web teams - https://teams.microsoft.com/