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Microsoft Outlook Goes Down In 365 Outage, Paralyzing Business Communication
Developing story first seen 3 hours ago
Microsoft says it has identified elevated load on parts of its infrastructure as the likely cause of a Microsoft 365 outage, and is repairing affected systems. The disruption has hindered business communication and work across several sectors, highlighting organisations’ reliance on cloud services.
The company initially reported access problems with Exchange Online mailboxes in the Americas, then said the issue could affect users in any region. It was restarting and repairing infrastructure, investigating an unexpected increase in a type of service traffic and considering redirecting traffic elsewhere; users also reported issues with Teams, Azure, OneDrive and Copilot.
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In short
- Microsoft linked the outage to elevated infrastructure load.
- The disruption could affect Microsoft 365 users globally.
- Microsoft is repairing systems and considering traffic rerouting.
How this story developed
- 1 hour ago Microsoft is investigating a widespread Microsoft 365 outage that disrupted business customers’ access to Exchange Online email and other services. The incident slowed work across several sectors, highlighting how heavily organisations rely on Microsoft’s cloud systems for communication.
- 1 hour ago Microsoft says it has identified elevated load on parts of its infrastructure as the likely cause of a Microsoft 365 outage, and is repairing affected systems. The disruption has hindered business communication and work across several sectors, highlighting organisations’ reliance on cloud services.
Explained simply
Microsoft 365 is a collection of online services used by organisations for email, meetings, file storage and other work. Outlook is its email service, while Exchange Online runs the mailboxes behind it; services such as Teams and OneDrive are also part of the wider system.
Microsoft operates the infrastructure that delivers these services, and organisations depend on it to communicate and access work files. When that infrastructure is disrupted, the effects can reach staff and customers across different sectors, even if an organisation’s own computers are working normally.