Microsoft Copilot vs Copilot Chat vs M365 Copilot - What's the Difference?

Microsoft Copilot exists in three distinct versions, each serving different security and productivity needs. The consumer version, accessible via personal accounts, offers a free, experimental interface but lacks enterprise-grade security, making it unsuitable for sensitive work data. The standard work version, included with Microsoft 365 licenses, provides enterprise data protection but requires users to manually attach specific documents to provide context. In contrast, the paid Microsoft 365 Copilot subscription introduces "Work IQ," which deeply integrates with a user's entire digital workspace—including emails, meetings, and shared documents—to provide context-aware assistance. Understanding these distinctions is crucial for balancing data security with the need for advanced AI-driven productivity tools, as the paid tier offers significantly deeper organizational connectivity compared to the free and consumer-facing alternatives.