Most RecentMost ViewedMost LikesHybrid Configuration Wizard with granular configuration feature is now available Today, we are happy to announce the latest release of Hybrid Configuration Wizard (HCW). Released: November 2022 Exchange Server Security Updates We are releasing a set of security updates for Exchange Server 2013, 2016 and 2019. Limiting Onmicrosoft Domain Usage for Sending Emails We are announcing that all Exchange Online customers who send external email should start switching to custom (aka vanity) domain names. Released: 2025 H1 Cumulative Update for Exchange Server Today we are announcing the availability of the 2025 H1 Cumulative Update (CU) for Exchange Server 2019 (aka CU15). Released: March 2023 Exchange Server Security Updates We have released Security Updates for Exchange Server 2013, Exchange Server 2016, and Exchange Server 2019. Released: 2023 H1 Cumulative Update for Exchange Server Today we are announcing the availability of Cumulative Update for Exchange Server 2019. Released: February 2023 Exchange Server Security Updates We are releasing a set of security updates for Exchange Server 2013, 2016 and 2019. Re-release of August 2023 Exchange Server Security Update packages Today we are re-releasing the August 2023 SU packages for Exchange Server. Released: June 2021 Quarterly Exchange Updates Today we are announcing the availability of quarterly Cumulative Updates (CUs) for Exchange Server 2016 and Exchange Server 2019. Dedicated Hybrid App: temporary enforcements, new HCW and possible hybrid functionality disruptions We are announcing enforcements to move customers along to using the dedicated hybrid app.
