Search...
Everything needed to plan for the Copilot & Agent Admin Fundamentals (AB-900) (AB-900) exam: number of questions, time limit, passing score, and the official domain weightings. For the domain checklist, see the AB-900 study guide. For a week-by-week plan, see the AB-900 study plan.
Facts last checked . Vendor links for this exam are on the materials page. To correct a figure, use the corrections policy.
Copilot & Agent Admin Fundamentals (AB-900) (AB-900) is a Foundational level Microsoft certification exam with 50 questions in 45 minutes (last checked 2026-10-19), requiring a scaled score of 700 to pass. It covers 3 domains: Understand data protection and governance tasks for Microsoft 365 and Copilot (39%); Identify the core features and objects of Microsoft 365 services (33%); Perform basic administrative tasks for Copilot and agents (28%).
Exam code
AB-900
Questions
50
Time limit
45 min
Passing score
700 scaled
Official domains
3
Level
Foundational
Provider
Microsoft
Practice questions
300+ on CertStud
| Domain | Weight | What it covers |
|---|---|---|
| Understand data protection and governance tasks for Microsoft 365 and Copilot | 39% | Microsoft Purview, sensitivity labels, DLP, Insider Risk, Copilot data access, oversharing |
| Identify the core features and objects of Microsoft 365 services | 33% | Microsoft 365 admin center, Exchange Online, SharePoint, Teams, Microsoft Entra, Zero Trust, authentication |
| Perform basic administrative tasks for Copilot and agents | 28% | Copilot licensing, usage monitoring, agent creation, approval, and lifecycle management |
Percentages reflect published official domain weightings. Prerequisite knowledge and current scoring rules are confirmed on the Microsoft exam page before booking.
The AB-900 figure on file is 50 questions. Last checked 2026-10-19. Confirm the current figure with Microsoft before you book.
The AB-900 time limit on file is 45 minutes. Last checked 2026-10-19. Confirm the current figure with Microsoft before you book.
The AB-900 exam requires a scaled score of 700 to pass. A scaled score is not a raw percentage of correct answers. Last checked 2026-10-19. Confirm the current figure with Microsoft before you book.
The AB-900 exam covers 3 official domains: Identify the core features and objects of Microsoft 365 services (33%), Understand data protection and governance tasks for Microsoft 365 and Copilot (39%), Perform basic administrative tasks for Copilot and agents (28%).
Understand data protection and governance tasks for Microsoft 365 and Copilot carries the heaviest weighting on the AB-900 exam at 39% of the exam. Microsoft Purview, sensitivity labels, DLP, Insider Risk, Copilot data access, oversharing
AB-900 is the exam code for Copilot & Agent Admin Fundamentals (AB-900) (Microsoft 365 Certified: Copilot and Agent Administration Fundamentals), a Foundational level Microsoft certification exam covering 3 domains.
The AB-900 exam reports a scaled score. The passing score on file is 700. Plan for 50 questions across 45 minutes, weighted by domain: 39% Understand data protection and governance tasks for Microsoft 365 and Copilot, 33% Identify the core features and objects of Microsoft 365 services, 28% Perform basic administrative tasks for Copilot and agents. Last checked 2026-10-19. Confirm the current figure with Microsoft before you book.
CertStud offers free AB-900 practice questions with detailed explanations, plus full-length practice exams and flashcards at https://certstud.com/certifications/microsoft/ab-900. Start with 10 free questions at https://certstud.com/try-free.