Outlook mobile is Microsoft's recommended option for a mobile email client. Many still use Exchange ActiveSync (EAS) based clients, like the native iOS app.
The GIFShell attack describes how attackers can penetrate Teams to run commands using special GIFs, including the ability to exfiltrate data.
Microsoft is giving Exchange Online customers one last chance to pause the deprecation of basic authentication for seven email connectivity protocols.
Microsoft doesn't support using an Azure Automation managed identity and Exchange Online PowerShell. However, that doesn't mean the two can't work together.
This article explains how to use an Azure Managed Identity with the Microsoft Graph PowerShell SDK and Teams PowerShell modules to do real work.
Microsoft is not doing a good job to communicate how long Office 2016 and Office 2019 can be used with Microsoft 365.