Users may experience issues accessing or using multiple Microsoft 365 services, including Microsoft Teams and Outlook

Title: Users may experience issues accessing or using multiple Microsoft 365 services, including Microsoft Teams and Outlook User impact: Users may have experienced intermittent delays in email delivery and access to Microsoft 365 services. Final status: Following our mitigation of the identified network-level disruption, our remediation actions have completed and service health has been restored across affected Microsoft 365 services. We’ve confirmed through service telemetry that service has fully recovered and remains healthy. Scope of impact: Users accessing Microsoft 365 services in North America and Europe were primarily affected by this issue. The majority of customer reports originated from the US, Netherlands, UK, and Canada, though users in other regions may have been impacted as well. Start Time: Wednesday, April 8, 2026, at 2:38 PM UTC End Time: Wednesday, April 8, 2026, at 3:05 PM UTC Preliminary root cause: Configuration changes implemented by an external network provider affected internet traffic routing via this service provider, which resulted in connectivity issues impacting access to multiple Microsoft 365 services. After identifying the issue, we redirected service traffic through alternate network paths to mitigate the impact and restore service availability. Next steps: - We’re continuing our analysis of the underlying systems and are working with the external network provider to understand the conditions that led to this issue and to implement safeguards that help prevent recurrence. Since we determined that changes from an external network provider resulted in the connectivity issues, a post-incident report won't be published for this event.

We've identified and corrected a network level disruption that affected multiple services and while our recovery actions have mitigated impact, some users may observe brief email delivery delays as our remediation actions are applied across the service. This quick update is designed to give the latest information on this issue.

Our recovery mechanisms have taken action to restore service. Reports from customers and our own internal telemetry indicate that service health is improving rapidly. We're continuing to take corrective action and monitor the service as it recovers. This quick update is designed to give the latest information on this issue.

Title: Potential issues with multiple Microsoft 365 services User impact: We're investigating a potential issue with multiple Microsoft 365 services. Current status: We’ve identified an external service dependency that is contributing to impact across multiple Microsoft 365 services. We’re implementing mitigation actions and have already begun observing signs of recovery. Scope of impact: A subset of users in the US, Netherlands, UK, and Canada have reported impact. This information may be updated as our investigation continues. Next update by: Wednesday, April 8, 2026, at 4:00 PM UTC

Title: Potential issues with multiple Microsoft 365 services User impact: We're investigating a potential issue with multiple Microsoft 365 services. Current status: We're investigating a potential issue with multiple Microsoft 365 services, including but not limited to Microsoft Teams and Exchange Online. We'll provide an update within 30 minutes.