Exchange Online ActiveSync Device Support Update | Microsoft Community Hub
We want to inform our users and organizations about an important upcoming change regarding Exchange ActiveSync (EAS) device connectivity to Exchange...
Starting March 1, 2026, devices running ActiveSync versions lower than 16.1 will no longer be able to connect to Microsoft services. This applies only to Exchange Online and only to mobile devices using native email apps.
#MSExchange #EAS #ActiveSync
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