Microsoft Team Clients older than 90 days will be blocked in the future

Security is going on. Microsoft blocks team clients that are older than 90 days. Some time ago, the Redmond company pointed out in the Microsoft 365 admin center that team clients, which were not updated more than 90 days after the publication of a new version, were made unusable. Users cannot use the client until they have recorded a new version

Microsoft is promoting updates of the team app

Microsoft explains the step by the fact that the “maintenance of app security has a top priority”. It is more important than ever in the light of the current security atmosphere in the entire company and in the entire industry in order to keep this important ecosystem safe “.

The Microsoft team client is subject to the “Modern Lifecycle Policy”, which requires that users always use the latest version of the application. This is usually ensured by automatic updates.

If desktop clients have not been updated despite the update policy, Microsoft is consequences that the company records in a contribution dated April 4, 2025.

Users are warned of blockade

So that users do not sit in front of a blocked team client, a warning banner will be shown in the app 60 days before the cut-off date. With a virtual desktop environment (VDI) it is only 30 days.

Microsoft has the following periods announcedfrom which users get the closure notice:

-From April 11, 2025: For users of the Windows desktop app.
-From May 6, 2025: For users who use the team app in a VDI environment,
– From May 15, 2025: For users who use teams on the Mac.

Microsoft advises automatic updates for teams

If users have a blocked team client, Microsoft advises to update the latest version of the team app. This can be downloaded from the download page. Alternatively, the team app can be used on the web.