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Microsoft Outlook is experiencing a major outage
Nov 12, 2026 — 2:06 PM ET
- Microsoft Outlook is currently experiencing an outage.
- Hundreds of thousands of users are reporting that the service is down.
If you use Microsoft Outlook for your emailing needs, you’re going to have trouble getting to your inbox. It appears that the service is experiencing a massive outage today.
Hundreds of thousands of Microsoft Outlook users are reporting on Downdetector that the service is down. At the time of writing, there are over 103,000 reports. According to the website’s graph, it appears the issue may have started around 12:20 PM ET.
On X, Microsoft has announced that it is currently investigating the issue. Based on the post, the outage is affecting users located in the Americas.
We’re investigating reports of users experiencing issues accessing Exchange Online mailboxes through multiple connection methods in the Americas. More details can be found in the Microsoft 365 admin center under EX1550543.— Microsoft 365 Status (@MSFT365Status) November 12, 2026
It’s not just Outlook that’s experiencing disruptions. According to Microsoft 365’s status site, Microsoft Teams, SharePoint Online, Copilot 365, and Defender XDR are all experiencing service degradation. Microsoft says that it is in the process of moving traffic off of the affected infrastructure to further reduce load. The outage is bad enough that it may take a few minutes before the status page loads.
We will keep an eye on the situation. When the service is restored, we will update this article.
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