Most RecentNewest TopicsMost LikesMost ViewedSending From Email Aliases – General Availability We are announcing General Availability (GA) of Sending from Email Alias in Exchange Online. Exchange Server AD FS Modern Authentication: Expanded Outlook client support Expanded Outlook client support for Exchange Server AD FS Modern Authentication is here! Cross-Tenant Message Recall in Exchange Online We wanted to announce cross-tenant Message Recall in Exchange Online! Streamlined Moderation Approvals, Now in All Outlook Clients We wanted to let you know about upcoming changes to Exchange Online message moderation. Get the status of legacy Exchange Online tokens and add-ins that use them We wanted to let you know of a method you can use to learn which Outlook add-ins use Exchange legacy tokens. Update on nested app authentication and deprecation of Exchange Online legacy tokens A significant update was posted related to Nested App Authentication and deprecation of Exchange Online legacy tokens. Security Related Updates in Exchange Online Please read about important updates about recent changes and upcoming deprecations in Exchange Online. Review an upcoming authentication change for Outlook add-ins Please review the upcoming Exchange Online authentication requirements for Outlook add-ins. Cloud-based Message Recall in Exchange Online Today we’re thrilled to announce that the new Exchange Online Message Recall feature has arrived! Notes from the field: does Outlook for Mac insist on using basic auth with Exchange Online? It may be frustrating to find some Outlook for Mac clients that are up to date but still turning up in your sign-in reports as using basic authentication. What can you do?