Microsoft outage disrupts Outlook and Microsoft 365 for users in Americas and 74 countries

Microsoft experienced a major service outage on November 12, affecting users across the Americas and 74 countries, with reports surging for Outlook, Teams, Copilot, and OneDrive, disrupting email and work-related services. The disruption impacted access to Exchange Online mailboxes through multiple connection methods, prompting Microsoft to confirm the issue and investigate. The company listed the incident as EX1550543, with users reporting connection failures, email delays, and difficulty loading inboxes. Microsoft is mitigating impact by redirecting internet traffic globally, addressing an overload affecting Microsoft 365 services. Downdetector received over 130,000 reports, and the outage also affected Microsoft connectors used in OpenAI and Anthropic tools.