Microsoft outage hits Outlook users worldwide; company prioritises critical services

1. What happened

   According to a Guardian live report, a global Microsoft outage is disrupting Outlook users, and Microsoft says it is prioritising "life, safety and government services" during the disruption.

2. When it started

   The information provided does not say when the outage began, how long it has lasted, or when services are expected to recover. The Guardian report is a live blog, so its details may change.

3. How it spread

   The provided material does not describe the technical cause or the full scope of affected services. Readers should check the Guardian live page for the latest updates.

4. Why it matters

   The provided headline indicates Microsoft is prioritising critical services, but the reason for the outage is not stated in the information available.