Incident report · read from Anthropic's status page

Anthropic incident: Degraded performance on Claude for Microsoft Office 365

Resolved after 19 m (1 Sep 2026, 16:02–16:22 UTC), impact minor, affecting claude.ai.

Timeline

  1. investigating

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

  2. resolved

    This issue has been resolved.

Affected components

Source

Anthropic's own report of this incident, on Anthropic's status page. This page is a record of Anthropic's own report; where the two disagree, theirs is right.

Last checked .

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