Most RecentNewest TopicsMost LikesMost ViewedWriteback for Cloud-Managed Remote Mailboxes: Now in Public Preview We are happy to announce public preview of writeback for cloud-managed remote mailboxes! 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. 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. Released: May 2026 Exchange Server Hotfix Update We have released a Hotfix Update for Exchange Server SE. Cloud-Managed Remote Mailboxes: Now Generally Available! We are happy to announce General Availability of cloud-managed Remote Mailboxes. Updates to Get-Contact and Set-Contact Cmdlets for “Contacts” Recipient Type in Exchange Online We will make a change to management of "Contact" Recipient Type objects in Exchange Online. The first temporary enforcement of dedicated hybrid app use is coming on September 16 A reminder that on September 16 2025, we will enforce the first temporary block of shared security principal use for our hybrid customers. Introducing Cloud-Managed Remote Mailboxes: a Step to Last Exchange Server Retirement We are excited to announced a feature that enables cloud management of email properties for users with remote mailboxes. 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. Direct Send vs sending directly to an Exchange Online tenant This post discusses what Direct Send is, is not, and how to help control email sent directly to your tenant.
