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Microsoft outage disrupts Outlook and other services across regions
Developing story first seen 4 hours ago
Microsoft said servers had unexpectedly become unavailable, causing elevated load across multiple regions and connectivity problems for Outlook and other services. It began shifting traffic, pausing deployments and restarting affected servers, but gave no estimated restoration time.
The outage affected individual and business users of Outlook, as well as Microsoft Teams, Copilot 365 and SharePoint Online. Reports began rising around 12:39 p.m. ET, and Downdetector logged more than 129,000 reports by 1:09 p.m. ET; Microsoft said the disruption was not caused by increased traffic.
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In short
- Unexpectedly unavailable servers strained Microsoft’s infrastructure.
- Outlook and several other Microsoft 365 services were affected.
- Downdetector logged over 129,000 reports by 1:09 p.m. ET.
How this story developed
- 47 minutes ago The outage was also affecting Teams, Copilot 365 and SharePoint Online, with Downdetector recording more than 129,000 reports by 1:09 p.m. ET; Microsoft said increased traffic was not the cause.
- 1 hour ago Microsoft said unexpected server failures were disrupting Outlook and other Microsoft 365 services across multiple regions, as it shifted traffic, paused deployments and restarted affected servers without giving a restoration estimate.
Explained simply
Microsoft 365 is a group of online services used for email, work chats, document storage and other tasks. Outlook handles email and calendars, Teams supports calls and messaging, and SharePoint Online is used to store and share workplace documents; Copilot adds AI tools to some Microsoft products.
People and organisations access these services over the internet, so problems with Microsoft’s servers can affect users in different places at once. For businesses that rely on the tools to communicate and work with shared files, an outage can interrupt everyday tasks.
Coverage · 2 sources
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Originally published by Variety as “Outlook Outage: Microsoft’s Email Service Goes Down Nationwide”.