Most RecentNewest TopicsMost LikesMost ViewedReleased: July 2026 Exchange Server Security Updates We have released Security Updates for Exchange Server SE. Exchange Server 2019 and 2016 ESU updates only. Reminder: Exchange 2016 and 2019 ESU Program Ends in October 2026 We wanted to provide a reminder that Exchange 2016 and 2019 ESU program ends in October 2026. Update Your Exchange SE Hybrid On-premises Rich Coexistence to Graph Configure Exchange Server SE to move your Hybrid rich coexistence scenarios to Graph API calls. Deprecation of the -Credential Parameter in Exchange Online PowerShell Exchange Online PowerShell -Credential parameter will be deprecated soon. Introducing EWSAllowedAppIDs: Preparing for the Final Phase of EWS Retirement We wanted to share details about the EWSAllowedAppIDs, to help you manage retirement of EWS applications in Exchange Online. Cross-Tenant Message Recall in Exchange Online We wanted to announce cross-tenant Message Recall in Exchange Online! Addressing Exchange Server May 2026 vulnerability CVE-2026-42897 We wanted to tell you how to address the Exchange Server May 2026 vulnerability CVE-2026-42897. Released: June 2026 Exchange Server Security Updates We have released Security Updates for Exchange Server SE. Exchange Server 2019 and 2016 ESU updates only. Writeback for Cloud-Managed Remote Mailboxes: Now in Public Preview We are happy to announce public preview of writeback for cloud-managed remote mailboxes! Interest Survey: Copilot for Exchange Server (on-premises) We wanted to learn if there is interest to bring Copilot functionality to on-premises email.
