Microsoft is being called to account as reported email problems continue in Outlook extending into a second day and throwing doubt on the trustworthiness of cloud-based communication services.
Any user who has trouble accessing or managing email could suffer disruptions to normal business operations. The long interruption has brought to the forefront Microsoft’s technical response, the recovery of the service, and the communication with impacted customers.
Microsoft Outlook Outage Affects Users Worldwide
On November 12, 2026, the Microsoft Outlook Outage started, affecting email services in several areas. Users complained about the problems with sending messages, receiving emails and loading inboxes. Downdetector saw some 138,000 complaints, though these were not necessarily confirmed affected accounts. There were further disruptions on November 13.
What Caused the Microsoft Outlook Email Disruption?
Microsoft determined high infrastructure loads and connectivity issues with Exchange Online are likely contributors. There were some servers that did not pass the automated health check and so mailboxes could not be reliably accessed. Engineers looked into configuration changes and made an effort to restore infrastructure that was affected. Microsoft also said that the event was unrelated to security breaches.
How Are Microsoft 365 and Teams Users Affected?
The impact was not limited to Outlook, it also impacted Microsoft Teams, Copilot and a number of Microsoft 365 services. Some users had calendar and workplace application issues, and businesses had to deal with disruptions in e-mail communications. There were reports in 74 countries and territories, including Singapore. The incident showed the impact of failure of infrastructure on interconnected productivity platforms.
When Will Microsoft Restore Outlook Services?
Microsoft started restoring connectivity by restarting the impacted servers, rerouting traffic and making infrastructure changes. Unfortunately, some servers saw a resurgence of unresponsiveness with the return of traffic. Friday morning (November 13) recovery efforts were still inconsistent, with no confirmed restoration date. The users were urged to keep a close watch on Microsoft’s official service health updates for more updates.
Recommended Reads
How Is Microsoft Advancing AI Research in Asia?
What Are the Surface Laptop Ultra Specs?
What Is the ROG Xbox Ally X?
Why Is Microsoft’s AI Recall Feature Debated?
Why Is Microsoft Investing $2.2 Billion in Malaysia?
FAQs
Why is Microsoft Outlook not working?
Microsoft identified elevated infrastructure load and Exchange Online connectivity errors as likely causes of the disruption.
When did the Microsoft Outlook outage begin?
The widespread disruption began on November 12, 2026, and continued into November 13.
Has Microsoft fixed the Outlook outage?
As of the November 13 morning reports, Microsoft had restored some capacity, but full recovery had not been confirmed.
