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

The AB-900 exam is designed for anyone getting started with Copilot & AI. It validates your understanding of the core features and objects of Microsoft 365 services, data protection and governance tasks for Microsoft 365 and Copilot, and perform basic administrative tasks for Copilot and agents.

Exam details

Certification
Microsoft 365 Copilot and Agent Administration Fundamentals
Application
Copilot & AI
Exam code
AB-900
Level
Fundamentals
Duration
Approximately 45 minutes
Questions
Typically 40–60 questions
Passing score
700 out of 1000
Cost
USD $99 — typical price; the exact fee varies by country/region and currency, and local taxes may apply.
Prerequisites
None required
Languages
English (additional languages may be available)
Delivered by
Pearson VUE
Renewal
Not required (Fundamentals certifications do not expire)

Skills measured

Identify the core features and objects of Microsoft 365 services

30–35%
  • Identify users, groups, mailboxes, sites, teams, licences, and admin centre objects.
  • Describe Zero Trust, authentication, authorisation, and Microsoft Defender XDR capabilities.
  • Identify Entra ID, Conditional Access, SSO, PIM, and tools for sign-in and audit issues.
Practice Core Microsoft 365 Services Questions

Understand data protection and governance tasks for Microsoft 365 and Copilot

35–40%
  • Describe Microsoft Purview information protection, DLP, retention, and DSPM for AI.
  • Understand how Copilot uses Graph, permissions, and Purview controls to protect data.
  • Identify oversharing, insider risk, DLP alerts, and eDiscovery search for files and email.
Practice Data Protection & Governance Questions

Perform basic administrative tasks for Copilot and agents

25–30%
  • Compare Copilot and agent capabilities, licence models, and features you can enable or disable.
  • Assign licences, monitor usage, and manage saved, shared, and scheduled prompts.
  • Create agents, configure user access, and monitor agent lifecycle and operational insights.
Practice Copilot & Agent Administration Questions

Study Resources

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Frequently asked questions

Who should take AB-900?

AB-900 is for beginning-level IT professionals and novice administrators who need a foundation in Microsoft 365 services, Copilot, agents, and administration. It suits people who work with Microsoft 365 security, identity, data protection, and governance.

What is the average salary for a Copilot and Agent Administrator?

For comparable Microsoft 365 administrator roles, ZipRecruiter lists an average U.S. salary of about $88,927. In the UK, IT Jobs Watch reports a £50,000 median advertised salary for Microsoft 365 Administrators. These are different markets and measures; pay varies by location, experience, and employer.

How should I prepare for AB-900?

Access the free AB-900T00 Course on Microsoft Learn. Then, use our AB-900 Exam Practice Test, which includes original questions we developed to help you memorise and retain the course content.

Avoid exam dumps: doing so can invalidate your score, revoke certifications you already hold, and bar you from future exams.

You can also find instructor-led training from Microsoft Training Services Partners. Current U.S. listings for the one-day AB-900T00 course range from $579 at The Computer Workshop to $1,095 at MicroTrain. Prices vary by provider and format.

Does the exam include official labs I can use to practice?

The exam does not include hand-on labs exercises, and the self-paced AB-900T00 course on Microsoft Learn may include some tasks using a lab.

If you purchase Instructor-led training, Microsoft Training Partners usually provide access to official labs for about 90 days. Always checks the labs are from Microsoft Partners like Skillable.

Depending on the exam, you could get a trial licence which could include demo data you can use to practice, but that is not always guaranteed and Microsoft often changes policies about free trials with demo data. If you prefer hand-on learning using labs, contact a Microsoft Training Services Partner for Instructor-led training.

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