Microsoft said most Outlook and Teams services had been restored as of Monday evening, after more than 24 hours of technical delays.

Thousands of people reported issues with Microsoft Outlook Monday morning, according to Downdetector. Reported issues with the Outlook website and app began to spike around 9 a.m. Monday. By 12:30 p.m.

Thousands of Microsoft 365 customers worldwide reported having issues with services like Outlook and Teams on Monday.

In social media posts and comments on platforms like outage tracker Downdetector, some impacted said that they were having trouble seeing their emails, loading calendars or opening other Microsoft 365 applications such as Powerpoint.

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.

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.

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