Microsoft 365 Outage Hits Copilot as It Shifts to Usage-Based Billing

A major Microsoft 365 outage took down Outlook, Teams, and Copilot simultaneously, with Microsoft citing a network issue rather than an attack. Coinciding with Copilot's shift to usage-based billing, the incident sparked enterprise debates over AI vendor selection and the systemic risk of shared cloud infrastructure.

2026-11-13 ~ 2026-11-14 · 2 related posts

• Microsoft outage sparks warning: a million AI agents can share one point of failure — tallmetommy · 2026-11-13
• M365 outage meets Copilot usage-based billing: enterprises land on using both Copilot and ChatGPT — Additional-Aioli4582 · 2026-11-14