Some users may not receive responses from their Microsoft 365 Copilot agents within Microsoft PowerPoint

Timeline (UK time)

1. 1 Oct 2026, 00:24 BST ✓ Operational

   Title: Some users may not receive responses from their Microsoft 365 Copilot agents within Microsoft PowerPoint User impact: Users may have not received responses from their Copilot agents within PowerPoint. Final status: Following the completion of our fix deployment process and an extended period of monitoring the service health telemetry, we’ve verified that impact has been fully resolved. Scope of impact: Some users who utilized Copilot agents within PowerPoint may have been impacted. Start time: Wednesday, September 30, 2026, at 9:00 PM UTC End time: Wednesday, September 30, 2026, at 11:11 PM UTC Root cause: A configuration issue contained within a recent service update was causing the impact. Next steps: - We’re continuing to analyze how the recent service update was applied to understand why the potential for impact wasn't caught during the update testing and validation phase. These actions will help us to clarify what actions we can take to ensure that similar impact doesn't occur in the future and to continue our ongoing mission to improve the resilience of our service for all Microsoft 365 Copilot users. This is the final update for the event.

2. 30 Sep 2026, 23:39 BST ✓ Operational

   Title: Some users may not receive responses from their Microsoft 365 Copilot agents within Microsoft PowerPoint User impact: Users may not receive responses from their Copilot agents within PowerPoint. Current status: We've identified that a configuration issue contained within a recent service update is causing the impact. We've developed a fix to address the configuration issue, which we're deploying to the affected environment. We anticipate the fix will complete deployment and remediate the impact by our next scheduled communications update. Scope of impact: Some users who utilize Copilot agents within PowerPoint may be impacted. This section may be updated as our investigation continues. Start time: Wednesday, September 30, 2026, at 9:00 PM UTC Root cause: A configuration issue contained within a recent service update is causing the impact. Next update by: Thursday, October 1, 2026, at 1:00 AM UTC

3. 30 Sep 2026, 23:26 BST ✓ Operational

   Title: We're looking into a potential problem impacting Microsoft 365 Copilot User impact: We're checking for potential impact to your users. Current status: We're investigating a potential issue impacting Microsoft 365 Copilot and checking for impact to your organization. We'll provide an update within 30 minutes.