Most RecentNewest TopicsMost LikesMost ViewedTake control of your EWSAllowedAppIDs list before EWS access changes We wanted to provide additional guidance on how admins should use the EWSAllowedAppIDs allow list during EWS deprecation. Cross-tenant Free/Busy, MailTips, and Calendar Sharing are moving to Cross-Tenant Access Policy We wanted to provide information related to migration of existing Exchange Online Organization Relationships to the new sharing model. Writeback for Cloud-Managed Remote Mailboxes: Now Generally Available Writeback for cloud-managed remote mailboxes is now Generally Available! Cross-Tenant Message Recall in Exchange Online We wanted to announce cross-tenant Message Recall in Exchange Online! Upcoming Breaking Changes to Modifying Sensitive Email Properties via Graph API We are announcing upcoming changes to what message properties can be changed using Graph API. Celebrating 30 Years of Microsoft Exchange Exchange Server is 30 years old! AI‑Powered Troubleshooting for Microsoft Purview Data Lifecycle Management now available Just a quick note mentioning a release of AI‑powered troubleshooter for Microsoft Purview Data Lifecycle Management. Announcing Public Preview: Exchange Online Admin API We are announcing the Public Preview of the Exchange Online Admin API. Exchange Server Security Changes for Hybrid Deployments We wanted to announce several security changes that Exchange hybrid customers need to know about. Introducing the Microsoft Graph Export-Import APIs for Exchange in public preview We wanted to let you know that Microsoft Graph Export-Import APIs for Exchange are now in public preview.