Outage in Microsoft Office 365

Users may experience degraded functionality for some Microsoft 365 apps

Resolved Major
June 16, 2025 - Started about 9 hours ago - Lasted 40 minutes

Need to monitor Microsoft Office 365 outages?
Stay on top of outages with IsDown. Monitor the official status pages of all your vendors, SaaS, and tools, including Microsoft Office 365, and never miss an outage again.
Start Free Trial

Outage Details

We've confirmed that all services are recovering following our mitigative actions. We're continuing to monitor recovery and in parallel confirm details regarding the impacting update.
Latest Updates ( sorted recent to last )
about 9 hours ago - at 06/16/2025 11:31PM

Title: Users may experience degraded functionality for some Microsoft 365 apps
User impact: Users may experience degraded functionality for some Microsoft 365 apps.
More info: We're continuing to confirm the impacted scenarios. We've so far confirmed that impact is occurring, though not limited, to the following services:
- Exchange Online
- Microsoft Teams
Current status: We've confirmed that all services are recovering following our mitigative actions. We're continuing to monitor recovery and in parallel confirm details regarding the impacting update.
Start time: Monday, June 16, 2025, at 9:45 PM UTC
Next update by: Tuesday, June 17, 2025, at 12:30 AM UTC

Latest Microsoft Office 365 outages

Users may be unable to start a chat with a distribution group within Microsoft Teams - 5 days ago
Some users on build 25137.403.3671.1395 may experience intermittent crashes of the Microsoft Teams desktop app - 6 days ago
Some users may be unable to access some Microsoft 365 sites - about 1 month ago
We're looking into a potential problem with accessing Microsoft Copilot - about 1 month ago
Users may be unable to access or use the Microsoft Copilot service - about 2 months ago

Be the First to Know When Vendors Go Down

With IsDown, you can monitor all your critical services' official status pages from one centralized dashboard and receive instant alerts the moment an outage is detected. Say goodbye to constantly checking multiple sites for updates and stay ahead of outages with IsDown.

Start free trial

No credit card required · Cancel anytime · 4200 services available

Integrations with Slack Microsoft Teams Google Chat Datadog PagerDuty Zapier Discord Webhook