Microsoft reported issues with sending and receiving email messages through Outlook, searching in OneDrive and creating chats ...

For now, Microsoft can only recommend using a complicated workaround as it preps a fix.

Did you open Outlook today and think, "Why does everything look different?" Maybe the message list looks squashed, the reading pane is in the wrong place, or the whole layout feels unfamiliar. Happily ...

You may see this error because the Microsoft 365 encryption service cannot verify your identity or check if you have permission to view the message. This is not ...