Exchange Online PowerShell

How Can I Identify Who Accessed a Shared Mailbox Calendar?

While reviewing the sharing and permissions on a department's shared mailbox, we discovered that the calendar permission for "People in my organization" had been changed from "Can view…

Has Microsoft 365 email quarantine been unusually slow and unreliable lately?

Is anyone else having a particularly bad experience managing Microsoft 365 email quarantine? The portal is throwing repeated errors, failing to load results, taking a very long time…

Is macOS 26 supported by Exchange Online PowerShell?

I'm trying to use Connect-ExchangeOnline and similar PowerShell tools on macOS 26.4.1, but interactive authentication fails with a System.PlatformNotSupportedException from Microsoft.Identity.Client. Is macOS 26 officially supported yet, and…