MC706396 — Classic Teams users to be updated to new Teams after March 31, 2024

After March 31, 2024, any classic Teams users that haven't updated to new Teams will be automatically updated. Users will not be able to switch back to classic Teams after March 31, 2024, because classic Teams will not be functional. Microsoft will attempt to uninstall classic Teams at this time. New Teams now has over 90M monthly active users, and the figures are increasing by millions daily. New Teams is up to 2x faster and uses 50% less memory. Admins can enable new Teams in their organizatio...