# Microsoft Outlook Goes Down In 365 Outage, Paralyzing Business Communication

- URL: https://talkfuse.com/story/microsoft-outlook-goes-down-in-365-outage-paralyzing-business-communication/
- Published: 2026-11-12T20:23:25+00:00
- Updated: 2026-11-12T20:34:36+00:00
- Original publisher: Deadline
- Original article: https://deadline.com/2026/11/microsoft-outlook-is-down-email-365-1237221945/
- Topics: Film

## Key points

- Microsoft linked the outage to elevated infrastructure load.
- The disruption could affect Microsoft 365 users globally.
- Microsoft is repairing systems and considering traffic rerouting.

## Summary

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.

## Coverage

- [Deadline: Microsoft Outlook Goes Down In 365 Outage, Paralyzing Business Communication](https://deadline.com/2026/11/microsoft-outlook-is-down-email-365-1237221945/)
- [Wired: Major Microsoft Outlook Outage Leaves People With Email Jobs Unable to Email](https://www.wired.com/story/major-microsoft-outlook-outage-hits-365-customers-north-america/)

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Summarised by TalkFuse (https://talkfuse.com/). Quote the original publisher for the reporting and link this page for the summary and discussion.