The Day Microsoft Broke: What Really Happened to Outlook & Teams?
Microsoft 365 is back! After a grueling 10-hour disruption that started on January 22 and bled into the early hours of January 23, 2026, Microsoft has officially confirmed that the outage affecting Outlook, Teams, Defender, and Purview is RESOLVED.
In this video, we break down the timeline of the North American infrastructure fail, the "451 4.3.2" server errors that plagued our inboxes, and why Microsoft's first attempt at a fix actually made things worse.
Did this outage affect your workday? Let me know in the comments how you survived without your emails!
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