Microsoft said it’s working to resolve an outage affecting its suite of office products after thousands of users reported trouble accessing the services. As of noon Eastern time, the outage reporting site Downdetector charted more than 10,000 concurrent reports for Outlook, 365, Teams and the Microsoft store combined.

Microsoft is investigating an issue with its Microsoft 365 service and its Teams app, with some users reporting to DownDetector that they are having problems using services such as Exchange and Outlook.

Microsoft is experiencing a global software outage affecting Outlook, Word, Teams and other apps. The company said on social media early Monday the issue was being investigated.