# Microsoft 365 outage hit Outlook, Teams and Copilot

By Ali Peivandizadeh, business growth and AI implementation specialist.
Published Nov 14, 2026. Last checked Nov 14, 2026. Last changed Nov 14, 2026.
Section: News
Who it is for: Any business that runs on Microsoft 365. All sizes. Owner or IT.

A Microsoft 365 outage that began on Nov 12, 2026 disrupted Outlook, parts of Teams and Copilot in 74 countries.

## The facts
- Reports of problems rose shortly after 1 p.m. Eastern on Thursday, Nov 12, 2026, Euronews reported.
- About 130,000 US users reported Outlook problems on Downdetector at the peak.
- Downdetector showed disruption in 74 countries and territories.
- Copilot Chat failed to load or respond, and Copilot could not reach work email, calendars and files.
- Teams calls and chats mostly kept working. Calendar scheduling and invites were affected.
- Microsoft said servers failed health checks and that the extra load was not caused by more user traffic. It said there was no sign of a cyberattack.
- By Friday afternoon, Microsoft reported continued recovery, with some delayed email still arriving.

## What it means for you
A company that put its email, calendar and AI assistant with one provider lost all three at the same time.

## Sources
- Euronews, news report, Nov 13, 2026: https://www.euronews.com/2026/11/12/microsoft-outage-hits-outlook-teams-and-copilot-disrupting-thousands
- NBC Palm Springs, news report, Nov 12, 2026: https://www.nbcpalmsprings.com/business-finance-and-tech/2026/11/12/microsoft-365-outage-disrupts-outlook-teams-and-copilot-across-the-us

General information, not legal or financial advice.

Page: https://enablingwithai.com/news/microsoft-365-outage-outlook-teams-copilot/