Microsoft is working to resolve an ongoing Exchange Online outage that is delaying email sent to and received from external domains. The company first acknowledged this incident (tracked under ...

Microsoft Exchange Server is Microsoft's email, calendaring, contact, scheduling and collaboration platform. It's deployed on the Windows Server operating system (OS) for business use. Microsoft ...

After you've prepared for an Exchange Server to Exchange Online migration, it's time to move the mailboxes and ultimately decommission your old Exchange Server. Every Exchange Server environment is ...

CVE-2026-62911 Exchange Server flaw lets attackers seize all mailboxes with no password: nearly 22,000 servers remain unpatched worldwide three weeks after Microsoft's August fix shipped, 85 percent ...

Exchange Server Subscription Edition now supports additional Outlook clients with AD FS-based Modern Authentication, extending OAuth-based sign-in options for organizations running Exchange ...

Microsoft confirms Exchange Online email delays affecting messages from external domains, with a mitigation now being applied to restore delivery.

IT pros may face deadlines after some recent Exchange team announcements regarding Exchange Online. The to-do list for IT pros potentially includes the July 15, 2023 deprecation of the Remote ...

Microsoft tightens rules for old Exchange servers: throttling and blocked emails threaten hybrid environments.

Microsoft has added a new Exchange Server feature that automatically applies interim mitigations for high-risk (and likely actively exploited) security flaws to secure on-premises servers against ...

The exchange e-mail server is a good barometer of Microsoft’s strengths and weaknesses. After all, Windows NT had to adapt the Exchange directory service for its own use back in the mid-1990s, and ...

The lightweight web client is going away, placing more demands on systems still clinging to Microsoft's on-prem email system. It’s the end of the road for yet another facet of Exchange Server, ...