Outlook email and several Microsoft 365 services have been disrupted since the evening of Thursday, November 12, 2026. The incident, global in scale, is affecting notably Exchange Online, Teams, SharePoint and Copilot.
Microsoft has confirmed a partial recovery in some regions, but this is not yet considered sustainable.
The incident began Thursday, just before 7 p.m., Paris time. In roughly an hour, reports surged across the Americas, Europe, Asia-Pacific and Africa. According to Downdetector, the disruption was observed in 74 countries and territories.
Exchange Online services, which host and route emails for many organizations, are at the heart of the issue.
In France, the difficulties involve accessing Outlook, sending and receiving messages, and connecting to Microsoft 365 services. The situation remains, however, less extensively documented in volume than the disruptions observed in the United States, the United Kingdom, India or several Asia-Pacific countries.
Microsoft has not, at this stage, released a precise breakdown of affected users by country. It is therefore impossible to claim that France is among the most affected regions.
Microsoft struggles to stabilise its infrastructure
In its updates, Microsoft says it has paused deployments, offloaded overloaded servers, restarted parts of its infrastructure and rerouted traffic along alternative routes. The vendor has also announced a partial recovery in some regions.
Microsoft has ruled out, for now, the hypothesis of a cyberattack, noting that it has not observed any malicious activity and that the absence of increased inbound traffic does not fit the profile of a denial-of-service attack.
Microsoft said a detailed post-incident report would follow after the full restoration of the service. The Exchange Online incident is tracked under reference EX1550543.
