Most RecentNewest TopicsMost LikesMost ViewedThe Change Optics Report is now Generally Available in Exchange Online We are announcing General Availability of the Change Optics Report in Exchange Online. Exchange servers may become unstable after installation of October 2026 Windows updates More information related to issues that some Exchange servers might experience after installation of October 2026 Windows updates. Released: October 2026 Exchange Server Security Updates We have released October 2026 Security Updates for Exchange Server SE. Exchange Server 2019 and 2016 ESU updates only. Sending From Email Aliases – General Availability We are announcing General Availability (GA) of Sending from Email Alias in Exchange Online. EWS Deprecation Is Here – What This Means To You EWS deprecation in Exchange Online is starting today. Learn the details of what happens next. Action Required: Upgrade ExchangeOnlineManagement PowerShell Module to Version 3.10.1 or Newer We wanted to let you know that you should update your Exchange Online PowerShell module over the next several months. Impact of Exchange Online EWS Deprecation on Hybrid Rich Coexistence and Cross-org Sharing We wanted to discuss how upcoming Exchange Online EWS retirement impacts our hybrid customers and cross-org sharing scenarios. Released: September 2026 Exchange Server Security Updates We have released Security Updates for Exchange Server SE. Exchange Server 2019 and 2016 ESU updates only. Exchange Server AD FS Modern Authentication: Expanded Outlook client support Expanded Outlook client support for Exchange Server AD FS Modern Authentication is here! Take 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.
