Block or unblock automatic picture downloads in email messages
Blocking pictures can help protect your computer. Microsoft Outlook is configured by default to block automatic picture downloads from the Internet.
Applies To:
Outlook for Microsoft 365, Outlook 2024, Outlook 2021, Outlook 2019, Outlook 2016
Introduction to IRM for email messages - Microsoft Support
Information Rights Management (IRM) allows you to specify access permissions to email messages. IRM helps prevent sensitive information from being read, printed, forwarded, or copied by unauthorized people.
Applies To:
Outlook for Microsoft 365, Outlook 2024, Outlook 2021, Outlook 2019, Outlook 2016, Office for business, Office 365 Small Business, Microsoft 365 admin