Microsoft 365 outage disrupts Outlook, Teams calendars worldwide

The outage's reach into government email and the connectors feeding ChatGPT and Claude shows how much AI tooling now rides on mainstream productivity infrastructure, so a routine patch cycle can ripple into workflows far beyond Microsoft's own customers. The significance is less the email disruption itself than the dependency chain it exposes. Whether the wider rollout closes the incident cleanly, and how quickly affected connectors recover, is the open question.