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Microsoft systems experienced large-scale outages, and services including Teams, Outlook, and Copilot experienced "connection issues," which also affected the connections of AI services such as OpenAI and Anthropic.
It is reported that tens of thousands of users around the world are affected, covering the United States, Japan, Hong Kong, Taiwan, Singapore, etc.
Microsoft said on the
According to data from the monitoring website Downdetector, the Microsoft service outage affected 74 countries in about an hour. At around 18:00 GMT on Thursday, the number of reports of Outlook problems worldwide reached a peak of nearly 140,000, more than 2,000 times the normal level.
Downdetector said the issue had been ongoing for at least eight hours and was first detected just after 16:15 GMT on Thursday.
The BBC understands that there is currently no indication that the outage was caused by a cyber attack.
image copyrightDowndetector
User cannot send email
For businesses and international organizations, Microsoft 365 online services are an essential tool for work.
Currently, users are unable to view emails or files, but messaging and online meetings are generally normal.
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Affected users used memes and jokes to poke fun at Microsoft's service outage, and also took the opportunity to laugh at themselves about their workplace lives.
"Days like today remind you that your entire job is to send emails," US real estate company Surmont said on Instagram.
Some netizens also wrote: "If Outlook cannot be restored, can we take the entire week off according to law?"
Artificial intelligence companies are also affected
The outage also affected other companies, including artificial intelligence giants Anthropic and OpenAI, which work with Microsoft systems.
OpenAI, the developer of ChatGPT, said it was investigating an issue affecting its connection to Microsoft services, causing some tools to not work as expected.
Microsoft last month reported an outage on its Azure cloud platform, affecting the tech giant's suite of office tools and companies around the world.
Electric truck manufacturer Workhorse Group was originally scheduled to announce its third-quarter results on November 12, but it was postponed to November 16 due to business disruption caused by a global Microsoft service outage.
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