Title: Some users may be unable to access Office.com or the Microsoft 365 Copilot web sign‑in page User impact: Users may be unable to access Office.com or the Microsoft 365 Copilot web sign‑in page. More info: The impacted web-client is office.com, and impacted Microsoft 365 Copilot web-clients are office.com/chat, m365.cloud.microsoft, m365.cloud.microsoft/chat and copilot.cloud.microsoft. Users can access Microsoft Copilot through application-based Microsoft Copilot services. This includes but isn’t limited to: - Microsoft Copilot desktop app - Copilot in Microsoft Teams - Copilot in Office apps User may be able to leverage office.com/search, which redirects to https://m365.cloud.microsoft/search, and should be able to sign in using this page. Once signed in, users can access the impacted web-based office.com and Copilot clients. Current status: Through analysis of our service-side telemetry, we’ve made additional configuration changes to optimize traffic to the affected infrastructure. Our monitoring of service telemetry tracking successful and failed access attempts continues to ensure the effectiveness of these changes. Scope of impact: Impact is specific to some users who are served through the affected infrastructure. Next update by: Monday, March 16, 2026, at 8:30 PM UTC
Last update on
Some customers may not be receiving the status of outbound messages on their Status Callback webhook for WhatsApp. Engineers have been alerted and are investigation. We will post another update in 30 minutes.
Last update on
Monitors
Some users may be unable to access Office.com or the Microsoft 365 Copilot web sign‑in page
Twilio
myNHA - Attendance Management
myNHA - College-Readiness
myNHA - Course Management
NHA School Sites - Excel