In this article, we discuss how to create a report of registered devices known to the Exchange mobile device management framework. Microsoft hasn’t made many changes to the way Exchange Online manages mobile devices connected to its mailboxes over the past few years and would prefer if organizations used Intune instead. But if you just want simple device management, Exchange delivers, and PowerShell reveals what devices are active.
https://office365itpros.com/2023/06/20/exchange-mobile-device-management/
