Microsoft 365 outage affects Teams, SharePoint and other services

Key Points:

• Microsoft is experiencing a major outage affecting Teams, Microsoft 365 services, OneDrive, SharePoint Online, Power Automate, Copilot Chat, and Microsoft Loop, primarily impacting users in North America since 10:44 AM ET on July 23.
• Downdetector reported a spike to 2,403 outage reports, with SharePoint accounting for 78% of complaints, followed by Excel (11%) and the Microsoft 365 Admin Center (6%).
• Microsoft has acknowledged degraded or intermittent service functionality, including errors opening OneDrive and SharePoint, slow or failed loading of the Admin Center, and degraded Teams chat features such as images not loading.
• The company has rerouted some network traffic, resulting in partial recovery for some users, but many services remain affected with no estimated time for full resolution; customers are advised to review their business continuity and disaster recovery plans.
• As of 1:55 PM ET, Microsoft believes it may have identified the cause and is deploying mitigation measures, expecting to provide an update on their effectiveness around 2:30 PM ET.