Microsoft 365 Alert – Service Degradation – Microsoft 365 Copilot Chat – Users’ Copilot chats created in Excel, PowerPoint, and Word may display as an untitled chat – RESOLVED

Announcements Arpan Das

27/07/2026 04:27:00 PM

NHS.net Connect Reference: INC46892483

Microsoft Reference: CW1441063

Issue Status: RESOLVED

Issue Description: Users’ Copilot chats created in Excel, PowerPoint, and Word may display as an untitled chat.

More info: Aside from being untitled, the impacted chats operate as expected.

Final Update: 28/07/2026 09:36:00AM – The investigation is complete and we’ve determined the service is healthy. A service incident didn’t actually occur. This communication will expire in 24 hours.