Microsoft has spent more than a day trying to get its services back to normal. Its first fix didn’t work. Servers that came back online Thursday crashed again when traffic hit them. Microsoft has since tried rebuilding servers, restricting traffic in some regions and rolling back a network change. It still hasn’t told customers exactly what caused the outage.
Nearly 140,000 people reported Outlook problems at the peak. That’s more than 2,000 times the normal level. Microsoft 365 has roughly 430 million users worldwide.
This isn’t just an email headache. Teams, SharePoint, OneDrive and Copilot were also affected. UK medical practices warned patients they might not receive online inquiries. OpenAI and Anthropic lost access to some Microsoft-connected tools. Workhorse Group postponed its earnings call until Monday, November 16.
🚨 BREAKING: ELON MUSK WEIGHS IN ON MICROSOFT’S 24-HOUR OUTLOOK BLACKOUT, RAISES QUESTIONS ABOUT CYBERSECURITY!
Elon Musk has reportedly reacted to the prolonged Microsoft Outlook disruption, expressing concern over the scale of the outage and its impact on millions of users and… https://t.co/fYcqop4ZF8 pic.twitter.com/1ofDUjy0XY
— Joel Esom (@JoelEsom) November 13, 2026
🚨 MICROSOFT SAYS ITS FIXES AREN'T WORKING. THE SERVERS IT BRINGS BACK CAN GO DARK AGAIN THE MOMENT TRAFFIC HITS THEM.
More than 10 hours in, it still can't say what's triggering it.
→ 3:19pm ET — Microsoft: no recent change lines up with when this started
→ 5:09pm ET — "our… pic.twitter.com/TwlqYiZ4O6— Taegun Lee (@TGLetter) November 13, 2026
Microsoft says it has no indication of a cyberattack. The cause is still unknown.
https://www.bbc.com/news/articles/cwvg238zrnmo
https://www.aljazeera.com/news/2026/11/13/microsoft-hit-by-global-outages-what-happened-and-why
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