Build a solid foundation in Microsoft 365 administration by understanding Microsoft 365 core services, identity and access, security, compliance, governance, Microsoft 365 Copilot, and AI agents while preparing for the AB-900 certificationDRM-free PDF version + access to Packt's next-gen Reader*Key FeaturesLearn Microsoft 365 Copilot, security, governance, and AI agent administrationConfigure, secure, monitor, and govern Copilot in Microsoft 365Verify your knowledge of key concepts through chapter assessments, insider tips, and practice questionsBook DescriptionMicrosoft 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.*Email sign-up and proof of purchase requiredWhat you will learnConfigure core Microsoft 365 services and admin centersUnderstand Zero Trust, identity, and access managementProtect data using Microsoft Purview governance toolsIdentify and reduce oversharing risks in SharePointUnderstand how Copilot accesses organizational dataManage Copilot licensing, billing, and analyticsCreate, approve, and monitor Microsoft 365 agentsPrepare confidently for the Microsoft AB-900 examWho this book is forThis book is for Microsoft 365 administrators, IT support professionals, security and compliance teams, and technical professionals preparing for the Microsoft AB-900 certification exam. It is also ideal for business technology professionals who want to understand how Microsoft 365 Copilot and AI agents are deployed, governed, and managed in enterprise environments. Familiarity with Microsoft 365 services such as Teams, SharePoint, Exchange Online, and Microsoft Entra will help you follow along, but prior Copilot administration experience is not required.