Anthropic's Claude status page tracks an unresolved Microsoft 365 connector incident: as of 22:23 UTC on 12 November 2026, its mail, calendar and search tools fail for most requests, Claude for Outlook is affected, and Anthropic traces the cause to a Microsoft 365 service incident. Claude Code, the API and Console are operational, while claude.ai, Claude Cowork and Claude for Government show degraded performance.