Microsoft 365 services experienced a significant outage affecting users worldwide, beginning around noon ET on Thursday. The company attributed the disruption to a technical issue related to a network capacity upgrade, ruling out cyberattacks and AI involvement as causes.
Monitor Microsoft's follow-up report for insights into the outage's root cause and preventive measures. Users should prepare for potential delays in email notifications as systems stabilize, and consider diversifying communication tools to mitigate future disruptions.