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 said Monday that it has identified the cause of a major Outlook and Teams outage, and is deploying a fix to the problem.

Microsoft said it's working to restore many programs after an outage Monday, but said progress has been slower than expected.

Microsoft Outlook and Teams went down, and the company’s response isn’t helping anything. On Monday, Microsoft suffered a widespread outage that affected Outlook and Teams. Reports started appearing early Monday morning,

Several Microsoft programs, including Outlook, Microsoft 365, and Teams, are experiencing outages, according to reports on Downdetector.

An outage at Microsoft impacted thousands of online users on Monday as they attempted to use its Microsoft 365 service for emails, calendars and other features. Microsoft 365 confirmed early Monday it was looking into an “issue impacting users attempting to access Exchange Online or functionality within Microsoft Teams calendar.

Microsoft is working to fix an issue with Outlook and Teams following an apparent outage early Monday. Users began reporting issues with Microsoft platforms around 8 a.m. Monday, according to Down Detector.