Microsoft 365 Alert – Service Degradation – Microsoft Copilot (Microsoft 365) – Some users may encounter an error when using the Microsoft 365 Copilot rewrite feature in classic Outlook – RESOLVED

01/07/2026 08:21:00 AM

NHS.net Connect Reference: INC46866360

Microsoft Reference: CP1410413

Issue Status: RESOLVED

Issue Description: Users may be unable to generate content through the Microsoft 365 Copilot Create web app.

More info: Content such as such as images, charts and graphs, tables, stories, summaries, and poems may not generate correctly or at all within the Copilot Create web app (https://m365.cloud.microsoft/create). Users also may not see new Create experiences or see outdated experiences.

While they are focused on remediation, users with access to the Copilot desktop app may use the Create feature there to bypass the impact.

Current Update: 07/07/2026 09:32:00 AM – Following Microsoft’s completed deployments in the affected environments, their internal service telemetry has validated that Create data is now being received by the web app and that the impact has been remediated.

Scope of impact: Users attempting to generate content through the Copilot Create web app may be affected by this event. This section may be updated as our investigation progresses.

Root cause: A recent change intended to improve the Copilot Create UI and overall performance introduced an issue where Create data isn’t being received by the web app, which is resulting in impact.

Next Steps: Microsoft are further analyzing the offending service change to better understand why it prevented Create data from being received by the web app, so they can improve their pre-deployment testing and validation processes.