MS-900 Study Guide

Microsoft 365 Fundamentals

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🚫 This exam was retired on 2026-03-31 — Replacement: New AI/cloud fundamentals certs
Fundamentals Microsoft 365 🚫 Retired
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I made these videos to help you prepare — watch the full course to learn, then test yourself with mock exam questions.

This exam was retired on 2026-03-31. Replacement: New AI/cloud fundamentals certs

Exam Quick Facts

DetailValue
Exam CodeMS-900
TitleMicrosoft 365 Fundamentals
LevelFundamentals
Pass Score700 / 1000
Duration45 minutes
Questions~40-60
Cost$99 USD (varies by region)
SchedulingPearson VUE
Skills UpdatedApril 30, 2025

Study Resources

ResourceLink
Official Exam PageMicrosoft Learn — MS-900
Official Study GuideMicrosoft Study Guide
Free Practice AssessmentStart Practice Assessment
Exam SandboxTry the exam interface

Skills at a Glance

Skill AreaWeight
Describe cloud concepts5-10%
Describe Microsoft 365 apps and services45-50%
Describe security, compliance, privacy, and trust in Microsoft 36525-30%
Describe Microsoft 365 pricing, licensing, and support10-15%

Who is this exam for?

This Microsoft 365 certification covers the administration and management of M365 services. It tests your ability to deploy, configure, and manage Microsoft 365 workloads. This is a fundamentals-level exam — no hands-on experience is required, though basic IT knowledge helps.

This exam was retired on 2026-03-31. Consider New AI/cloud fundamentals certs as the replacement path.


Skills Measured

Describe cloud concepts (5–10%)

This domain covers the skills needed to work with the topics described below. Study each objective carefully and use the linked resources to deepen your understanding.

Describe the different types of cloud services available

  • Describe Microsoft software as a service (SaaS), infrastructure as a service (IaaS), and platform as a service (PaaS) concepts and use cases
  • Describe differences between Office 365 and Microsoft 365

Describe the benefits of and considerations for using cloud, hybrid, or on-premises services

  • Describe public, private, and hybrid cloud models
  • Compare costs and advantages of cloud, hybrid, and on-premises services
  • Describe the concept of hybrid work and flexible work

Describe Microsoft 365 apps and services (45–50%)

This domain covers the skills needed to work with the topics described below. Study each objective carefully and use the linked resources to deepen your understanding.

Describe productivity solutions of Microsoft 365

  • Describe the productivity and content creation capabilities of the core Microsoft 365 Apps including Microsoft Word, Excel, PowerPoint, and OneNote
  • Describe the productivity benefits and capabilities of Microsoft 365 Copilot and Microsoft 365 Copilot Chat
  • Describe project management capabilities of Microsoft 365 including Microsoft Project, Planner, Bookings, Forms, Lists, To Do, and Loop

Describe collaboration solutions of Microsoft 365

  • Describe the collaboration and content sharing capabilities of Microsoft SharePoint, OneDrive, and Stream
  • Describe the email and calendaring capabilities of Microsoft Exchange and Outlook
  • Describe the collaboration and communication capabilities of Microsoft Teams and Teams Phone
  • Describe the collaboration benefits and capabilities of Microsoft 365 Copilot and Microsoft 365 Copilot Chat
  • Describe the employee experience capabilities of the Microsoft Viva apps
  • Describe the ways that you can extend Microsoft Teams by using collaborative apps such as Whiteboard, Microsoft Planner, Microsoft Power Apps, and Power Automate

Describe device and cloud endpoint management concepts and deployment options in Microsoft 365

  • Describe the endpoint management capabilities of Microsoft 365 including Microsoft Intune, co-management with Configuration Manager, Endpoint Analytics, Windows Autopilot, and Windows Autopatch
  • Compare the differences between Windows 365 and Azure Virtual Desktop
  • Describe the deployment and release models for Windows-as-a-Service (WaaS) including deployment rings
  • Identify deployment and update channels for Microsoft 365 Apps

Describe Microsoft 365 administration capabilities

  • Describe the capabilities of the Microsoft 365 Admin center and the reports available
  • Describe the capabilities of the Microsoft 365 user portal
  • Describe the reports available in other admin centers such as SharePoint, Teams, and Exchange
  • Describe the capabilities of the Microsoft Copilot dashboard

Describe security, compliance, privacy, and trust in Microsoft 365 (25–30%)

This domain covers security features and capabilities. You need to understand how to implement and manage security controls to protect the environment.

Describe identity and access management solutions of Microsoft 365

  • Describe the identity and access management capabilities of Microsoft Entra ID
  • Describe cloud identity, on-premises identity, and hybrid identity concepts
  • Describe how Microsoft uses methods such as multi-factor authentication (MFA), self-service password reset (SSPR), and conditional access, to keep identities, access, and data secure

Describe threat protection solutions of Microsoft 365

  • Describe Microsoft Defender XDR, Defender for Endpoint, Defender for Office 365, Defender for Identity, Defender for Cloud Apps, and the Microsoft Defender Portal
  • Describe Microsoft Secure Score benefits and capabilities
  • Describe how Microsoft 365 addresses the most common types of threats against endpoints, applications, and identities

Describe trust, privacy, risk, and compliance solutions of Microsoft 365

  • Describe the Zero Trust Model
  • Describe Microsoft Purview compliance solutions such as insider risk, auditing, and eDiscovery
  • Describe Microsoft Purview Information Protection features such as sensitivity labels and data loss prevention
  • Describe how Microsoft supports data residency to ensure regulatory compliance
  • Describe the capabilities and benefits of Microsoft Priva

Describe Microsoft 365 pricing, licensing, and support (10–15%)

This domain covers the skills needed to work with the topics described below. Study each objective carefully and use the linked resources to deepen your understanding.

Identify Microsoft 365 pricing and billing management options

  • Describe the pricing model for Microsoft cloud services including enterprise agreements, cloud solution providers, and direct billing
  • Describe available billing and bill management options including billing frequency and methods of payment

Identify licensing options available in Microsoft 365

  • Describe license management
  • Describe the differences between base licensing and add-on licensing

Identify support options for Microsoft 365 services

  • Describe how to create a support request for Microsoft 365 services
  • Describe support options for Microsoft 365 services
  • Describe service-level agreements (SLAs) including service credits
  • Determine service health status by using the Microsoft 365 admin center or the Microsoft Entra admin center

What to Study Next

Based on this exam, here are related certifications to consider:


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