Microsoft 365 services encountered a snag today, leaving users in the United Kingdom struggling to access Microsoft Copilot or experiencing reduced functionality in key features.
The outage, flagged on the official Microsoft 365 Status X account, has raised concerns among businesses that rely on AI-driven productivity tools.
Microsoft confirmed the probe into “CP1193544,” accessible via the admin center, where affected users report complete inaccessibility or partial degradation.
While no global impact has been noted, the regional focus on the UK points to potential localization or infrastructure hiccups.
Copilot, integral to Microsoft 365 apps like Word, Excel, and Teams, powers tasks from content generation to data analysis. Disruptions could halt workflows for enterprises.
We’re investigating an issue in which users in the United Kingdom may be unable to access Microsoft Copilot, or experience degraded functionality with some features. For more information, please see CP1193544 in the admin center.
— Microsoft 365 Status (@MSFT365Status) December 9, 2025
Incident IDAffected ServiceRegionStatusReported IssuesCP1193544Microsoft CopilotUnited KingdomUnder InvestigationInability to access; degraded features
UK organizations, especially in the finance and tech sectors, may experience productivity dips amid reliance on Copilot in hybrid work. No estimated resolution time has been provided; admins should monitor the Microsoft 365 admin center for updates.
Microsoft’s swift acknowledgment via @MSFT365Status aligns with its incident management protocol, though past Copilot glitches have lingered for hours to days.
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