AB-900 study guide
AB-900 · Work through your exam, one topic at a time.
Microsoft 365 Certified: Copilot and Agent Administration Fundamentals - commonly referenced by its exam code, AB-900 - is a beginner-level Microsoft Certification that demonstrates your ability to support, secure, and protect an AI-enabled Microsoft 365 environment. It sits at the Administrator role level with an artificial intelligence subject focus, so it suits IT administrators, service desk staff, and early-career cloud professionals who already touch Microsoft 365 day to day and now need to extend that work to Copilot and agents. The credential assumes familiarity with Microsoft 365 core services, security, identity and access, data protection, and governance, plus the admin centers used to reach workloads such as Exchange Online, SharePoint, Teams, Microsoft Entra, and Microsoft Purview. Candidates should also have practical exposure to AI-driven productivity tools and modern IT management practices. Topics on this exam: Identify the core features and objects of Microsoft 365 services, Understand data protection and governance tasks for Microsoft 365 and Copilot, and Perform basic administrative tasks for Copilot and agents. The AB-900 study guide has 3 sections and about 1,136 words.
01Core features and objects of Microsoft 365 services
Everything in Microsoft 365 lives inside a tenant - the organizational boundary that owns your domains, identities, and licenses. Within the tenant, Microsoft Entra ID holds the identity objects: users (members and guests), groups, and service principals.
385 words, about 2 min02Data protection and governance tasks for Microsoft 365 and Copilot
Microsoft 365 Copilot only surfaces content the signed-in user already has permission to see. It respects SharePoint and OneDrive sharing, sensitivity labels, and conditional access.
364 words, about 2 min03Basic administrative tasks for Copilot and agents
Microsoft 365 Copilot is an add-on license assigned to individual users, typically through the Microsoft 365 admin center (Billing Licenses) or via group-based licensing in Entra ID. Users need an eligible base license, and Copilot features appear in apps such as Word, Outlook, and Teams after assignment.
387 words, about 2 min