Most RecentNewest TopicsMost LikesMost ViewedReleased: August 2026 Exchange Server Security Updates We have released Security Updates for Exchange Server SE. Exchange Server 2019 and 2016 ESU updates only. Released: June 2026 Exchange Server Security Updates We have released Security Updates for Exchange Server SE. Exchange Server 2019 and 2016 ESU updates only. Released: 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. Upcoming retirement of OWA Light in Exchange Server We wanted to tell you that we will be retiring OWA Light in Exchange Server. Released: August 2025 Exchange Server Security Updates We have released Security Updates for Exchange Server SE, Exchange Server 2019 and Exchange Server 2016. 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. No Exchange Server Security Updates for April 2026 We are not releasing any Exchange Server Security Updates for April 2026. Upgrading your organization from current versions to Exchange Server SE We wanted to provide additional guidance and FAQ for preparing your organizations for Exchange Server SE release. Announcing Period 2 Exchange 2016/2019 Extended Security Update (ESU) program We created a Period 2 ESU for Exchange customers who need extra time to migrate to Exchange SE.
