According to Reuters, Downdetector tracks crashes by compiling status reports from sources, including bugs submitted by users on its platform.
“We have identified a potential network issue and are reviewing telemetry data to determine the next troubleshooting steps,” Microsoft said in a statement.
At the time of the outage, most users were unable to send messages, join calls, or use any Teams features. With over 280 million people around the world relying on Microsoft Teams, it’s an integral part of the day-to-day work of businesses and schools that use the service to make calls, schedule meetings, and streamline their workflow.
Other affected services include Microsoft Exchange Online, SharePoint Online, and OneDrive for Business, according to the company’s status page.