What caused the outage? The root cause of the outage was traced to a buggy update deployed to microsoft's caching infrastructure. This update inadvertently caused authentication failures,.

In june 2025, microsoft 365 services including teams and exchange online faced a major global outage, impacting millions of users across businesses, schools, and government institutions. Microsoft 365 experienced a major outage today, leaving thousands of users worldwide struggling to access key services like outlook and teams.

Microsoft 365 down for thousands of users, Downdetector shows

🔗 Related Articles You Might Like:

Lindsay Clancy Allegedly Wanted Have More Kids Buccaneers Chris Godwin Happy For Tom Brady Retirement Kansas City Chiefs Mecole Hardman Girlfriend Went Into Labor Before Super Bowl

📸 Image Gallery

Microsoft 365 down for thousands of users, Downdetector shows
Are Microsoft 365, Outlook down? Outage reported by thousands of users
Are Microsoft 365, Outlook down? Outage reported by thousands of users
Microsoft 365 Suite Revenue and Growth Statistics (2023) | SignHouse
Are Microsoft 365, Outlook down? Outage reported by thousands of users
Microsoft outages reported by thousands of users. What to know
Thousands report outage affecting Microsoft services like Outlook | The
Are Microsoft 365, Outlook down? Outage reported by thousands of users
Microsoft 365 (M365) - Information Technology
Microsoft 365 | Office of Information Technology (ITO) - HKBU
Are Microsoft 365, Outlook down? Outage reported by thousands of users
Microsoft 365 – Microsoft Adoption
Microsoft Outlook Down Globally, Thousands Of Users Logged Out Of Their
Microsoft 365 might’ve just given you another excuse to stay on Windows
Nätverksträff i M365-gruppen - Microsoft 365 Copilot - IntraNatverk
Microsoft Teams Down For Thousands Worldwide – channelnews
3 reasons I'm ditching Microsoft 365 after the latest changes
7 Steps to Setup Microsoft 365 Data Loss Prevention (DLP) - CloudAlly
Introducing Windows 365 Frontline | Microsoft 365 Blog
Office 2024 vs. Microsoft 365: Which one should you use?
Microsoft 365 Business Support - Network Fish - London
Microsoft Office 365 E5
The Microsoft Office App Is Becoming The Microsoft 365 App
Microsoft recognized as a Leader in the 2021 Gartner® Magic Quadrant
Microsoft is rebranding Office, rolling apps into Microsoft 365 | TechSpot
Microsoft 365 Basic set to launch featuring 100 GB of storage and more
Microsoft Surface Go 4 for Business Hands On: The Littlest Surface Goes
7 Pro Tips for Microsoft 365 - Ilkley IT Services
Is Outlook down? Thousands of users report issues accessing their email
Microsoft 365 F3 Vs Business Basic at Edward Hillary blog