Has Microsoft Outlook crashed? Why isn't Teams working? November 13, 2016 Why doesn't Microsoft 365 open?
Microsoft services cannot be accessed in 74 countries, including Türkiye; Company officials denied the cyber attack allegations.
Quick Look
- The global technical failure experienced in Microsoft systems brought services such as Outlook, Teams and Copilot to a halt in 74 countries, including Türkiye.
- It was announced that the problem affecting critical sectors such as aviation and health was not caused by a cyber attack.
AI-generated summary
Why It Matters
A technical malfunction in Microsoft systems that started on Thursday evening caused widespread access problems around the world.
There is a major global access problem in many applications of the technology giant Microsoft operating system, which has hundreds of millions of users around the world. This disruption in e-mail and communication platforms, which are considered the backbone of the business world, brought the daily workflows of companies to a halt.
The major Microsoft system outage, which was first recorded on Thursday evening at 21:00 Türkiye time, has deeply affected especially Asian countries, Australia and Türkiye. According to the first information received; Operations are disrupted in public institutions, hospitals, the aviation industry and many other key areas.
The problem experienced in 74 countries, especially Asian countries, also caused disruptions in daily life.
Tens of thousands of users in Türkiye report that they cannot access Microsoft programs. The most affected services are Outlook (e-mail traffic) and Microsoft Teams (corporate communication and meetings). It is also stated that there are serious connection problems in accessing Copilot, the company's new generation artificial intelligence assistant.
After this massive outage, all eyes were on social media asking "Was Microsoft hacked?" or “Is there a cyber attack?” turned into questions. In the official statement made by Microsoft officials, it was emphasized that the problem was not caused by a cyber attack or security breach, but by a technical malfunction in the system infrastructure.
Although it was stated that technical teams are working non-stop for the repair, the company announced that a "sustainable recovery" has not yet been achieved from the solution steps implemented so far and that efforts for permanent improvement are continuing.
The access problem affected Microsoft's own platforms as well as other major platforms integrated with Microsoft.
Artificial intelligence giant OpenAI announced that some of its tools were not working due to the glitch.
Anthropic also reported that there were problems with its features related to the Microsoft 365 system.
What to Watch
AI outlook — possibilities, not facts
Microsoft is expected to complete technical repair work.
Very likely · Within hours
Open Questions
- What is the root cause of the malfunction?
- When will systems return completely to normal?







