Anthropic incident
Degraded performance on Claude for Microsoft Office 365
Anthropic experienced a minor incident on September 1, 2026 affecting claude.ai, lasting 19m. The incident has been resolved; the full update timeline is below.
Affected components
claude.ai
Update timeline
- investigating Sep 01, 2026, 04:02 PM UTC
We are investigating elevated errors affecting Claude for Microsoft Office 365. We will provide an update as soon as possible.
- resolved Sep 01, 2026, 04:22 PM UTC
This issue has been resolved.