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Microsoft said on November 13 that Outlook and other services affected by a technical outage had returned to normal. It ruled out hackers and artificial intelligence as causes. Users across Europe and Asia reported problems accessing the services, and the outage affected 74 countries and territories within an hour.
On the morning of November 13, users across Vietnam reported problems with Microsoft services including Outlook, Teams and OneDrive, disrupting customer communication, file transfers and meeting schedules. Microsoft confirmed the outage and said it was testing other ways to restore service. Some institutions in Australia were also affected.
On November 12, a technical failure disrupted Microsoft 365, Outlook and Teams for over five hours, affecting thousands of users. Microsoft said some servers had unexpectedly shut down and that it was restoring them and rerouting traffic. The outage also affected connections used by OpenAI and Anthropic and delayed one company’s earnings announcement.
