Most RecentMost ViewedMost LikesUpdate to EWS Access for Kiosk / Frontline Worker Licensed Users We wanted to provide an update on EWS access for Kiosk / Frontline Worker licensed users. Introducing more control over Direct Send in Exchange Online Read about a new feature that gives you more control over Direct Send in Exchange Online. Exchange Online ActiveSync Device Support Update We want to inform our users and organizations about an important upcoming change regarding Exchange ActiveSync (EAS) device connectivity to Exchange Online. Released: December 2025 Exchange Server Security Updates We have released Security Updates for Exchange Server SE. Exchange Server 2019 and 2016 ESU updates only. High Volume Email: Continued support for Basic Authentication & other important updates This announcement provides several important updates for High Volume Email. Released: October 2025 Exchange Server Security Updates We have released Security Updates for Exchange Server SE, Exchange Server 2019 and Exchange Server 2016. Exchange Server Subscription Edition (SE) is now available We are excited to announce the general availability of Exchange Server Subscription Edition (SE). Announcing General Availability (GA) of the New Message Trace in Exchange Online We are excited to announce the GA of the new Message Trace in the Exchange admin center (EAC) in Exchange Online. Introducing Exchange Online Tenant Outbound Email Limits We’re introducing new tenant-level outbound email limits (also known as the Tenant External Recipient Rate Limit or TERRL). Exchange Online to retire Basic auth for Client Submission (SMTP AUTH) Today, we are announcing that Exchange Online will permanently remove support for Basic authentication with Client Submission (SMTP AUTH) starting March 2026.
