1. Introduction
This manual provides guidance for the "Exam Ref MS-900 Microsoft 365 Fundamentals" study guide. This book is designed to assist IT professionals, business users, and students in preparing for Microsoft Exam MS-900. It focuses on foundational knowledge regarding cloud services, the Software as a Service (SaaS) cloud model, and specific options and benefits of Microsoft 365 cloud service offerings.
The content is structured to support critical thinking and decision-making skills required at the Microsoft Certified Fundamentals level.
2. Study Objectives and Content Overview
This Exam Ref organizes its coverage by exam objectives to ensure comprehensive preparation. The key areas of focus include:
- Understand cloud concepts
- Understand core Microsoft 365 services and concepts
- Understand security, compliance, privacy, and trust in Microsoft 365
- Understand Microsoft 365 pricing and support
The book covers benefits and considerations of using cloud services; different types of cloud services; core Microsoft 365 components; comparisons between Microsoft 365 and on-premises services; modern management concepts; Office 365 ProPlus; Microsoft 365 collaboration, mobility and analytics; Microsoft 365 security and compliance concepts; unified endpoint management; security usage scenarios and services; the Service Trust portal and Compliance manager; Microsoft 365 licensing options; pricing; support, and service lifecycles.
3. Using This Study Guide
To effectively utilize this study guide for your MS-900 exam preparation, consider the following:
- Objective-Based Study: The book is structured according to the official exam objectives. Focus on mastering each objective presented in the respective chapters.
- Strategic Scenarios: Engage with the "what-if" scenarios provided. These are designed to develop critical thinking and decision-making skills relevant to the exam's professional-level questions.
- Review and Reinforce: After completing each section, review the key concepts and ensure a solid understanding before moving to the next.
- Prerequisite Knowledge: This guide assumes a foundational interest in cloud computing and technologies. While comprehensive, supplementary research on specific topics may enhance understanding.

Image 1: Front cover of the Exam Ref MS-900 Microsoft 365 Fundamentals study guide. The cover features the title prominently with Microsoft branding.
4. About Microsoft Exam MS-900
Exam MS-900 assesses knowledge of the benefits and considerations of using cloud services, various types of cloud services, and core Microsoft 365 components. It also covers comparisons between Microsoft 365 and on-premises services, modern management concepts, Office 365 ProPlus, Microsoft 365 collaboration, mobility and analytics, security, compliance, unified endpoint management, and support lifecycles.
This exam is intended for individuals interested in cloud computing and technologies, including those planning to pursue more advanced Microsoft 365 certifications.

Image 2: Back cover of the Exam Ref MS-900 Microsoft 365 Fundamentals study guide. This side provides a summary of the exam objectives and author information.
5. About Microsoft 365 Certified Fundamentals Certification
Passing Exam MS-900 fulfills the requirements for the Microsoft 365 Certified Fundamentals certification credential. This certification validates an understanding of Microsoft 365 options, the benefits of adopting cloud services, the Software as a Service (SaaS) cloud model, and Microsoft 365 cloud services.
For complete details on the certification, please visit the official Microsoft Learn website.
6. Specifications
| Publisher | Microsoft Press |
| Publication Date | February 8, 2020 |
| Edition | 1st |
| Language | English |
| Print Length | 240 pages |
| ISBN-10 | 0136484875 |
| ISBN-13 | 978-0136484875 |
| Item Weight | 14.8 ounces |
| Dimensions | 7.38 x 0.55 x 9.13 inches |
7. Additional Resources and Support
For further information regarding Microsoft 365 certifications, exam updates, and additional learning materials, please refer to the official Microsoft Learn platform:
This resource provides comprehensive details and is regularly updated by Microsoft.