Microsoft 365 – Email Service Disruption

Incident Report for Allen ISD Information Technology

Investigating

Dear Allen ISD Staff,

We are aware of an ongoing Microsoft 365 service disruption that is affecting access to Microsoft services, particularly Outlook email.

The issue appears to be widespread and is impacting users across multiple regions of the United States. Other Microsoft 365 services, including the Microsoft 365 Admin Center, may also be experiencing disruptions.

Microsoft is experiencing a service outage, and we are monitoring the situation as more information becomes available.

We will continue to monitor the issue and provide updates as additional information is received.

Thank you for your understanding.

Respectfully,
Allen ISD Information Technology Department

Posted Nov 12, 2026 - 13:04 CST

This incident affects: Collaboration and Sharing (Office 365 - Cloud Applications, Office 365 - Exchange Email Services, Office 365 - Sharepoint Services).