Microsoft 365 Certified: Copilot and Agent Administration Fundamentals (AB-900)

Teams often cite AB-900 when documenting who has been trained on Copilot data protection, Microsoft Purview, and Zero Trust controls before an AI rollout. Team reporting provides per-learner completion and completion exports that can serve as training evidence in governance reviews. The auditor's control crosswalk decides how that evidence maps to any formal framework requirement.

IT leaders typically assign AB-900 to Microsoft 365 administrators, help desk technicians, and security newcomers who support Copilot and agent rollouts. The linked lessons span tenant setup, the Exchange, SharePoint, and Teams admin centers, SSO and Conditional Access, Defender XDR, Secure Score and PIM, Microsoft Purview, and Copilot administration and security. A certified team can own day-to-day tenant administration and the guardrails Copilot depends on, from sign-in troubleshooting to data governance.

CBT Nuggets Microsoft 365 Certified: Copilot and Agent Administration Fundamentals (AB-900) courses are built by named expert trainers. Where a course includes hands-on virtual labs or a practice exam mapped to Microsoft's published exam objectives, the course list on this page says so. Team admin reporting tracks assignment, completion and exam readiness per engineer — the view managers use to run a team training program.

From the admin console, managers assign the Microsoft 365 Certified: Copilot and Agent Administration Fundamentals (AB-900) courses directly to specific engineers or role groups and track completion and practice-exam scores per learner. Team-wide reporting rolls up to a single dashboard you can review or export for leadership reviews or compliance reporting.

The linked courses add up to about 23 hours of video, covering both Copilot and agent administration and hands-on Copilot use in Word, PowerPoint, and Excel. Actual time to certify depends on each team member's starting point with Microsoft 365 administration and security concepts.

CBT Nuggets updates Microsoft course content as exam objectives refresh, and this page shows the current exam's status and any retirement date the vendor has announced. When Microsoft restructures or renames a track, the assigned training stays aligned with the same team training plan, and the training stays current without anyone losing their progress mid-stream.