MC1047923 — Update: Ensuring Security and Compliance - Keep you Microsoft Teams desktop clients up to date

Versions of the new Teams client that were released more than 90 days ago will be blocked. An in-app warning banner will show up 60 days before the app is blocked (30 days for VDI). When will this happen: Users will see blocking page Starting April 11th, 2025, for users using the Windows desktop app Starting May 6th, 2025, for users using the Teams app in VDI environment Starting May 15th, 2025, for users using the Mac desktop app Users will see warning banner starting 60 days before they are bl...