Microsoft on Friday apologized for a global outage that disrupted public services and businesses around the world, as it reported a “broad recovery” for Outlook email and other services.
asserted
it → apologize → email
The company ruled out any malicious “cyber or AI” activity as the cause of the outage, which affected several Microsoft products and disrupted health care services, delayed corporate earnings reports and left schools struggling to communicate.
“We are deeply sorry for the disruption this incident has caused our customers and partners,” Microsoft said on X, adding full services were still being restored after the outage started on Thursday.
“
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outage → rule → Thursday
We are seeing broad recovery and stability across our services.
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We → see → services
This was a technical issue not related to cyber or AI / agents.”
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This → relate → cyber
The disruption knocked out Microsoft products in 74 countries and territories, affecting users across the Americas and parts of Europe, Asia and Africa, according to the outage tracker Downdetector.
uncertain
disruption → knock → tracker
A top UK trade union said the disruptions had a “serious impact” on the country’s health care service.
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disruptions → say → service
National Health Service staff receiving emergency calls were “unable to refer patient details in the normal way,” creating a massive backlog, said Rachel Harrison, public services head at the GMB union.
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Harrison → receive → union
As the outage dragged on for hours, airlines in India warned that customer queries may not be getting through.
IndiGo and Akasa Air both said on X that their email support services had been affected and that they may not be able to receive customers’ emails.
uncertain
they → drag → emails
Immigration New Zealand said the disruption had forced a halt in the processing of all visa applications.
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disruption → say → applications
Japan’s economy, trade and industry minister Ryosei Akazawa warned of a “significant impact” of the outage as the Microsoft products were used by a “vast number of people”.
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products → warn → people
In London’s financial district, several people interviewed by AFP said the outage exposed their dependence on Copilot, Microsoft’s AI assistant.
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outage → interview → Copilot
“I think one of the biggest things is Copilot not working,” said Yashmit Sharma, 26, an auditor.
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Sharma → think → things
“I think this was the main bummer.
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this → think → ?
Sheera, 40, a risk manager at a mid-sized bank, said businesses needed to be better prepared for unexpected technology failures.
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businesses → say → failures
“I think we need to be a little bit more careful,” said Sheera, declining to give her last name.
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Sheera → think → name
“Anything can happen: you wake up and Outlook is not working and it’s the main communication we use for our global team.”
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we → happen → team
The Australian Computer Society (ACS) called for a national review of sovereign IT risk, with CEO Prins Ralston saying that small businesses may not have a workaround when Outlook fails.
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Outlook → call → workaround
“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.
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Ralston → need → Age
On Thursday, Microsoft attributed the disruption to “elevated load” on its infrastructure.
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Microsoft → attribute → infrastructure
In an updated statement on Friday, it said the “incident was introduced by an issue during an earlier network capacity upgrade that surfaced following a recent network change.”
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that → update → change
“We have addressed the underlying issue and continue to restore service to remaining customers and regions.”
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We → address → customers
Reports of problems on Downdetector had begun to decline by 0900 GMT (2pm PKT).
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Reports → begin → GMT
Microsoft initially said it was investigating outage reports “in the Americas”, but later confirmed that the issue apparently affected “Microsoft 365 service connectivity for users in any region”.
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issue → say → region
Microsoft 365 is the company’s cloud-based subscription service that includes popular applications such as Outlook and Teams.
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that → base → Outlook
‘Improvements’ in North America, Europe
Microsoft said earlier that it was seeing “improvements” for Outlook email and other services.
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it → say → email
In an update, it noted “broader improvements in North America, sustained improvements across much of Europe, and encouraging recovery signals in Asia-Pacific”.
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it → note → Pacific
Microsoft said server issues were behind the incident and that a broader roll-out of software fixes was starting to stabilise the system.
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out → say → system
Outlook and Teams are two of the most widely used workplace applications with hundreds of millions of users.
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Outlook → use → users
The outage prevented people from performing essential functions such as sending emails, managing calendars and hosting virtual meetings.
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outage → prevent → meetings
It affected government agencies from Australia to Japan and the United States, caused delays at trading firms, hindered some companies from publishing earnings and prompted airlines to warn customers of communication lags, according to public statements.
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It → affect → statements
Organisations that host Microsoft services on their own servers, rather than in the cloud, were somewhat spared.
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that → host → cloud
In its latest update, Microsoft said efforts to improve serviceability were not progressing as expected.
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efforts → say → serviceability
“We’re identifying alternate workstreams that can be applied to increase capacity in the face of sustained traffic management imbalances,” it said.
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it → identify → imbalances
Downdetector showed more than 25,000 reports of Outlook problems in the US at 9:30pm ET (7:30am PKT).
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Downdetector → show → ET
It also showed outages for several Microsoft services in the Asia-Pacific region, including India, Australia and Japan, early Friday local time.
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It → show → India
At its peak, Downdetector showed more than 130,000 reports of Outlook problems in the US around 1pm ET on Thursday.
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Downdetector → show → Thursday
In a service health notice, Microsoft said features of Microsoft 365 services that depended on Exchange Online and email were affected, while elements that did not rely on Exchange Online remained functional.
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that → say → Online
Exchange Online is the company’s cloud-based messaging platform that delivers email, calendar, contacts, and tasks.
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that → base → email
Microsoft said the outage specifically hit features tied to Exchange Online — its cloud-based email and scheduling hub — leaving unconnected applications operational.
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outage → say → applications
The incident deepens questions about the global reliance on a handful of Big Tech companies that supply both the essential software and the cloud infrastructure that underpins it.
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that → deepen → it
…and 27 more, not listed.
The Aporia
