Disruption: Microsoft outage affects Outlook and Teams
Workhorse Group is also postponing the publication of its financial figures due to the outage
Quick Look
- An hour-long Microsoft outage affected services worldwide on Thursday and Friday such as Outlook, Teams and Copilot as well as interfaces to OpenAI and Anthropic.
- Workhorse Group is postponing the publication of its financial figures until Monday.
- Schools, universities and hospitals also report limited communication options.
AI-generated summary
Why It Matters
Microsoft products such as Outlook, Teams and the AI assistant Copilot are among the most widely used software solutions in companies, authorities and educational institutions worldwide.
New York. An hour-long outage of services such as Outlook and Teams affected countless Microsoft users on Thursday and Friday. The disruption also affects interfaces to the AI services of OpenAI and Anthropic. The company initially announced that several servers were unexpectedly unavailable for the high load. This is not due to an increase in data traffic.
The software giant initially reported problems with Exchange mailboxes in the USA on Thursday afternoon (local time). The company then said that the disruption could affect users of the Microsoft 365 cloud service worldwide.
Microsoft apparently redirected the data streams to alternative routes and recorded a gradual recovery of the systems in the evening. Microsoft products such as Outlook, Teams and the AI assistant Copilot are among the most widely used software solutions in companies, authorities and educational institutions worldwide.
Because of the disruption, Workhorse Group, a manufacturer of trucks and buses, said it would postpone the release of its financial results, originally scheduled for Thursday, to Monday. School districts, universities and hospitals also warned that their communication options could be limited.
What to Watch
AI outlook — possibilities, not facts
Microsoft publishes an official root cause analysis of the outage
Likely · Within days
Open Questions
- What was the exact cause of the failure?
- How many users were affected in total?
- When exactly did the disruption begin and end?
