Microsoft outage: Full list of services, apps and websites affected globally

A global Microsoft outage has affected several of the technology giant's services, leaving thousands of users unable to access their email accounts, workplace applications and cloud-based tools. A person walks by a Microsoft logo and sign outside the Microsoft Visitor Center at the company's headquarters.

(AP Photo/Lindsey Wasson)The disruption, which began on Thursday, November 12, continued into Friday, November 13, with users reporting problems accessing Outlook, Microsoft Teams, OneDrive, SharePoint and Microsoft Copilot, among other services.

Microsoft acknowledged the disruption and said users might be unable to connect to multiple Microsoft 365 services. The company attributed the problem to a large number of servers becoming unexpectedly unavailable, placing additional pressure on the remaining infrastructure.

The outage has been reported across several countries, including the US, India, Australia and Japan. Downdetector recorded more than 130,000 reports of problems with Outlook at the peak of the disruption. According to Microsoft's service health advisories, the disruption extends beyond Outlook and Teams.

Several applications that rely on Exchange Online, Microsoft's cloud-based email and messaging platform, have also experienced problems. The outage has also had repercussions for organisations and services that depend on Microsoft's infrastructure.

Some of the reported disruptions include: The disruption also affected day-to-day operations for some businesses. Some stores lost email-based sales, patients faced difficulties accessing telehealth services, and long-distance schools had to shut for the day.

Other services: Downdetector also recorded user reports involving Azure and the Microsoft Store. However, these reports should not be interpreted as confirmation that the entire Azure cloud platform or Microsoft Store experienced a separately confirmed service-wide outage.

Microsoft attributed the disruption to a significant number of servers becoming unexpectedly unavailable, resulting in increased pressure on the remaining infrastructure. The company said the affected servers were becoming unresponsive after being restored and receiving traffic.

Its engineers were analysing diagnostic data to identify what was triggering the behaviour. Microsoft also began implementing protective traffic-management measures, restricting certain types of traffic reaching affected infrastructure and rebuilding some servers using an earlier software configuration.

The company said the outage was not caused by an overall increase in internet traffic. Australia's Home Affairs Minister Tony Burke said Microsoft did not believe it was dealing with a cyberattack, although the precise technical root cause had not been established.

Microsoft had begun restoring some services, but the recovery process remained uneven. The company said some servers that had initially been restored were becoming unresponsive again when they started receiving traffic. It was working on restoring capacity and gradually reconnecting users to affected services.

The company cautioned that users could experience a gradual recovery as their applications reconnected. The disruption highlights how dependent businesses, government agencies and third-party technology platforms have become on Microsoft's cloud-based infrastructure.

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