Microsoft 365 Copilot and Agent Administration Fundamentals. Build practical skills and confidently prepare for the Microsoft AB-900 certification exam

Microsoft 365 Copilot and AI agents are transforming how organizations collaborate, automate workflows, and manage productivity. This practical certification guide prepares you for the Microsoft AB-900 exam while building real-world administration skills for modern AI-powered workplaces. Aligned with the latest Microsoft Learn objectives, the book covers Microsoft 365 services, security principles, governance controls, and Copilot administration fundamentals. You’ll begin with Microsoft 365 essentials, including licensing, Exchange Online, SharePoint, Teams, identity management, authentication, Conditional Access, and Zero Trust. You’ll then explore Microsoft Purview capabilities, including data classification, sensitivity labels, retention, DLP, Insider Risk Management, Communication Compliance, and DSPM for AI. The book also explains how Copilot accesses organizational data through Microsoft Graph, how to identify oversharing risks in SharePoint, and how to use Purview tools to investigate compliance and governance issues. Finally, you’ll learn how to manage Copilot licensing, billing, prompts, usage analytics, and AI agent lifecycles using Microsoft 365 and Power Platform admin centers. By the end of this book, you’ll be ready to confidently take the AB-900 exam and support secure, compliant Microsoft 365 Copilot deployments.