From Mashable · Alex Perry · · 50s
Microsoft outage: What the company has said so far
Microsoft 365 services face outage as company works to restore connectivity.
In brief
Microsoft 365 services face outage as company works to restore connectivity. Microsoft reports ongoing outage affecting enterprise software services with no root cause identified. Originally reported by Mashable.
Microsoft outage update

Microsoft 365 enterprise software products experienced a major outage starting in early afternoon.
Over 100,000 users affected
More than 100,000 users reported problems with Outlook alone on DownDetector.
Enterprise services impacted
Exchange Online, Teams, SharePoint Online, Copilot 365, and Defender XDR services affected.
Outage scope expanded
Microsoft confirmed the issue may affect users in any region, not just the Americas.
Technical explanation

Elevated load from unexpectedly unavailable servers shifting load onto remaining infrastructure.
Ongoing server recovery
Microsoft restarting affected servers to restore connectivity while validating changes.
What to remember
Microsoft reports ongoing outage affecting enterprise software services with no root cause identified.





