Microsoft is facing a prolonged global outage affecting core services including Teams, Outlook, and Copilot due to an elevated infrastructure load across multiple regions. The disruption, which has impacted users worldwide for over ten hours, was confirmed by executives not to be the result of a cyberattack. Although some messaging features remain functional, millions of users and numerous Fortune 500 companies relying on Microsoft 365 experienced significant connectivity issues. Microsoft is currently working on alternate work streams to increase capacity and resolve the traffic imbalances after initial fixes failed to take effect as expected.

Microsoft is facing a prolonged global outage affecting core services including Teams, Outlook, and Copilot due to an elevated infrastructure load across multiple regions. The disruption, which has impacted users worldwide for over ten hours, was confirmed by executives not to be the result of a cyberattack. Although some messaging features remain functional, millions of users and numerous Fortune 500 companies relying on Microsoft 365 experienced significant connectivity issues. Microsoft is currently working on alternate work streams to increase capacity and resolve the traffic imbalances after initial fixes failed to take effect as expected.

Microsoft is facing a prolonged global outage affecting core services including Teams, Outlook, and Copilot due to an elevated infrastructure load across multiple regions. The disruption, which has impacted users worldwide for over ten hours, was confirmed by executives not to be the result of a cyberattack. Although some messaging features remain functional, millions of users and numerous Fortune 500 companies relying on Microsoft 365 experienced significant connectivity issues. Microsoft is currently working on alternate work streams to increase capacity and resolve the traffic imbalances after initial fixes failed to take effect as expected.

Microsoft is reportedly struggling to fix a global outage affecting multiple services, including Teams, Outlook and Copilot.

Users have been reporting connectivity problems with the services for over 10 hours across the world.

The company said that the disruption was due to an elevated load on its infrastructure in multiple regions.

They also said that the the attempts to fix the issues weren't “taking as expected.”

In an update to its website, the company said, “We’ve monitored the status of the changes applied to improve serviceability and confirmed that the change is not taking as expected.

We’re identifying alternate work streams that can be applied to increase capacity in the face of sustained traffic management imbalances.”

Microsoft executive Charles Lamanna took to X to clarify that the outage was not due to a cyberattack. “We regret that today’s outages caused disruptions for our customers, and we are working to address the issue.

We will continue to share more information as soon as we have it, and for now I can confirm that there is no indication this is the result of malicious or cyber activity,” he said.

According to monitoring website Down Detector, reports of issues with Outlook peaked globally at nearly 140,000 around 18:00 GMT on Thursday,

The outage has been affecting programs part of Microsoft 365 – which offers workplace tools like Outlook, teams and OneDrive.

Users have been unable to view certain files to details on their calender apps. Copilot was also affected.

The company’s messaging and online meeting services were functional, the BBC reported.

More than 430 million people use Microsoft 365 apps according to the company’s website, and 90 per cent of Fortune 500 companies use copilot, its AI chatbot.

The outage has also reportedly hit other companies, including Anthropic and OpenAI, which work with Microsoft systems.

Last months Microsoft reported an outage that affected its Azure cloud platform that affected the tech giants' sites for productivity tools and companies worldwide.

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