A widespread Microsoft service disruption has disrupted businesses, public services and organisations across 74 countries and territories. The outage affected several popular products, including Outlook, Teams and Copilot, creating problems for users worldwide. Although Microsoft reported improvements on Friday, several services continued experiencing difficulties during recovery.
The technology giant said it was gradually restoring connectivity across different regions. In its latest update, Microsoft reported “broader improvements in North America, sustained improvements across much of Europe, and encouraging recovery signals in Asia-Pacific.”
However, the disruption had already caused significant operational problems. Healthcare services faced communication difficulties, companies experienced delays in reporting earnings, and schools struggled to contact students and parents.
The incident also exposed how heavily organisations depend on Microsoft’s digital infrastructure for everyday operations.
Microsoft Outage Disrupts Healthcare and Business Operations
The outage created particular difficulties for healthcare services in the United Kingdom. A senior trade union official warned that the disruption was having a “serious impact” on the country’s health service.
Rachel Harrison, public services head at the GMB union, highlighted problems affecting NHS emergency call staff.
She said employees receiving emergency calls were “unable to refer patient details in the normal way which is creating a massive backlog and has the potential for chaos”.
Meanwhile, businesses also faced difficulties communicating with employees and customers. The disruption affected corporate operations and delayed some earnings reports.
In London’s financial district, employees described their dependence on Microsoft’s applications, particularly its artificial intelligence assistant Copilot.
Yashmit Sharma, a 26-year-old auditor, highlighted the disruption’s impact on everyday office work.
“I think one of the biggest things is Copilot not working, and you can sort of see the dependency now on Copilot,” he said. “I think this was the main bummer. And Outlook as well, of course.”
Sheera, a 40-year-old risk manager at a mid-sized bank, also warned businesses against relying too heavily on individual technology platforms.
“I think we need to be a little bit more careful,” she said. “Anything can happen: you wake up and Outlook is not working and it’s the main communication we use for our global team.”
Microsoft Identifies Infrastructure Overload Behind Disruption
Microsoft attributed the outage to “elevated load” affecting parts of its infrastructure across multiple regions.
The company initially investigated reports of connectivity problems in the Americas. However, it later confirmed that the disruption apparently affected “Microsoft 365 service connectivity for users in any region.”
Microsoft 365 is the company’s cloud-based subscription platform. It includes widely used applications such as Outlook and Teams.
Explaining the technical problem, Microsoft stated:
“We’ve determined a portion of infrastructure is experiencing elevated load across multiple regions, which is likely contributing to the connectivity errors,” the company wrote on X.
“We’re aggressively pursuing all pathways to reduce impact,” it added.
The company also confirmed that it was “not aware of any malicious activity that is causing this incident.”
Meanwhile, reports of service problems on Downdetector, a platform that tracks online outages, had started declining by 0900 GMT.
However, Microsoft acknowledged difficulties in fully restoring services despite implementing several fixes. Thousands of users also reported problems with Teams and Copilot.
Microsoft Outage Affects Airlines and Immigration Services
The disruption extended beyond offices and corporate communication systems, affecting essential services in several countries.
In India, airlines warned customers that their email support systems were experiencing problems. Both IndiGo and Akasa Air announced that they might not receive customer emails through their usual support channels.
New Zealand also experienced disruption after Immigration New Zealand suspended visa application processing until further notice.
The outage also raised concerns in Japan, where officials warned about its potentially significant economic impact.
Japan’s Economy, Trade and Industry Minister Ryosei Akazawa said the disruption would have a “significant impact.”
“Since this software is used by a vast number of people, we will closely monitor the situation and take every possible measure to address it,” Akazawa told Japanese newspaper Asahi Shimbun.
Australia Calls for Review of Technology Dependence
The Microsoft outage also prompted concerns about Australia’s dependence on major technology platforms.
The Australian Computer Society (ACS) called for a national review of sovereign IT risks. Its chief executive, Prins Ralston, warned that smaller businesses might lack alternative systems when Outlook becomes unavailable.
“We need to know the systems that keep this country running won’t simply fall over without notice,” Ralston said, according to ACS publication Information Age.
The warning highlighted the broader risks of relying on a limited number of digital service providers. Consequently, businesses may need stronger backup arrangements to maintain operations during unexpected outages.
Microsoft Continues Efforts to Restore Services Worldwide
The disruption spread across several regions within approximately an hour, affecting users in 74 countries and territories, according to Downdetector.
A map shared by the outage-tracking platform showed reports across the Americas, alongside parts of Europe, Asia and Africa.
Microsoft’s recovery update indicated improvements across North America, Europe and Asia-Pacific. Nevertheless, the company continued working to resolve remaining connectivity problems.
The incident has highlighted the growing dependence of businesses, governments and essential services on cloud-based technology. Moreover, widespread failures can quickly disrupt healthcare communication, immigration processing and international business operations.
Although Microsoft reported encouraging recovery signals, the outage has raised fresh questions about digital resilience and the risks of relying heavily on a single technology provider.
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