05/01/2023 15:50:00 PM (GMT)
As part of updates to the Teams Desktop Client Microsoft have released the following information as part of MC477839.
On January 9 2023, users on Teams 1.4 or earlier build will encounter a blocking page requesting an update to the latest version of Teams.
In the future, users of out-of-date clients will continue to see warning banners and later be blocked to ensure they meet security and compliance obligations.
For further information please visit the NHSmail support pages.