Thousands of Microsoft 365 users were reporting outages on Jan. 22. Here's the latest.

Microsoft Outage Status Update: Problem Identified Amid 451 4.3.2 Temporary Server Issue, Estimated Time Here ...

Microsoft 365, Exchange, Outlook, Teams and the Microsoft Store were all offline, according to Downdetector, with the reports peaking shortly before 3:30 p.m. ET.

According to Downdetector, a site that tracks outages, more than 15,000 people reported that Microsoft 365 was not working as ...

For various protocols, Microsoft has already removed Basic Authentication in Exchange Online. The timeline for SMTP is being ...

CISA has issued an emergency directive ordering all Federal Civilian Executive Branch (FCEB) agencies to mitigate a critical Microsoft Exchange hybrid vulnerability tracked as CVE-2025-53786 by Monday ...

On Monday, Microsoft released the last major update for Exchange Server 2019. The aging Exchange Server is set to lose support on Oct. 14, 2025. This final update (2025 H1 Cumulative Update (CU15) ...

Microsoft Exchange administrators running versions older than March 2023 need to update or they won’t get the latest security mitigations, says an expert. But, David Shipley added, even better advice ...

As organizations increasingly rely on cloud-based services like Microsoft 365 Exchange for daily communication, a common and potentially dangerous assumption has emerged: that storing data in the ...