# Anthropic: Degraded performance on Claude for Microsoft Office 365

- Provider: [Anthropic](https://outages.cc/anthropic.md)
- Type: Incident
- State: Resolved
- Worst impact: Degraded performance
- Started: 2026-09-01 16:02 UTC
- Resolved: 2026-09-01 16:22 UTC (lasted 20 min)
- Components: claude.ai
- Official update: https://stspg.io/k8bzm26b6sy9

## Updates from Anthropic

### resolved, 2026-09-01 16:22 UTC

This issue has been resolved.

### investigating, 2026-09-01 16:02 UTC

We are investigating elevated errors affecting Claude for Microsoft Office 365. We will provide an update as soon as possible.