Some users were unable to use Microsoft 365 Copilot in Excel [Microsoft Copilot (Microsoft 365)]
DegradedResolved · started Aug 20, 2026, 9:00 PM UTC (47d ago)
Was Copilot down? Microsoft reported “Some users were unable to use Microsoft 365 Copilot in Excel [Microsoft Copilot (Microsoft 365)]” on Aug 20, 2026, 9:00 PM UTC. Full timeline below. This incident affects Copilot — see live Copilot status. Source: third-party mirror of vendor data.
Timeline
No per-update timeline published for this incident. See the vendor's incident page for details.
More Copilot outages
- Some users may not receive responses from their Microsoft 365 Copilot agents within Microsoft PowerPoint [Microsoft Copilot (Microsoft 365)]Sep 30, 2026, 9:00 PM UTC · resolvedDegraded
- Users may encounter failures or may be unable to use PowerPoint agents in Microsoft 365 Copilot [Microsoft Copilot (Microsoft 365)]Sep 29, 2026, 7:17 PM UTC · resolvedDegraded
- Some users may be unable to access or receive prompt responses with Microsoft 365 Copilot or Copilot Notebooks [Microsoft Copilot (Microsoft 365)]Sep 22, 2026, 2:50 AM UTC · resolvedDegraded
- Admins may see stale or incomplete data in the Microsoft 365 Copilot usage and Copilot chat reports [Microsoft Copilot (Microsoft 365)]Sep 19, 2026, 12:00 AM UTC · resolvedDegraded
- Admins may see Copilot usage report delays in the Microsoft 365 admin center [Microsoft Copilot (Microsoft 365)]Sep 18, 2026, 1:00 AM UTC · resolvedDegraded
- Users may have been unable to access or may have encountered issues when interacting with Microsoft 365 Copilot [Microsoft Copilot (Microsoft 365)]Sep 11, 2026, 3:45 AM UTC · resolvedDegraded