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AB-900: Identify the Core Features and Objects of Microsoft 365 Services

Microsoft 365 is the foundation for Copilot and modern workplace productivity. This course will teach you how its core services, identity, and security components work so you can confidently administer and support your organization.

Beginner
3h 45m

Created by Vlad Catrinescu

Last Updated Jun 17, 2026

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  • Course

AB-900: Identify the Core Features and Objects of Microsoft 365 Services

Microsoft 365 is the foundation for Copilot and modern workplace productivity. This course will teach you how its core services, identity, and security components work so you can confidently administer and support your organization.

Beginner
3h 45m

Created by Vlad Catrinescu

Last Updated Jun 17, 2026

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What you'll learn

As Microsoft 365 and Copilot become central to modern work, administrators need to understand the core services, identity, and security features that power the platform. In this course, AB-900: Identify the Core Features and Objects of Microsoft 365 Services, you’ll gain the ability to understand how Microsoft 365 is structured and managed. First, you’ll explore Microsoft 365 tenants, licensing, and the admin centers used to manage services. Next, you’ll discover the key objects in Exchange, SharePoint, and Teams, and how they support collaboration across your organization. Finally, you’ll learn how identity and security features like Microsoft Entra, Conditional Access, and Microsoft Defender help protect your environment. When you’re finished with this course, you’ll have the skills and knowledge of Microsoft 365 core services and security foundations needed to confidently navigate and understand a Microsoft 365 environment.

AB-900: Identify the Core Features and Objects of Microsoft 365 Services
Beginner
3h 45m
Table of contents

About the author
Vlad Catrinescu - Pluralsight course - AB-900: Identify the Core Features and Objects of Microsoft 365 Services
Vlad Catrinescu
110 courses 4.5 author rating 5024 ratings

Vlad is an Office 365 consultant helping organizations get the most out their Microsoft 365 Digital Workplace. IT Professional at heart, Vlad focuses on helping administrators deploy, manage, automate, and configure governance across services such as SharePoint, OneDrive for Business, and Microsoft Teams. As an author, Microsoft Certified Trainer and recognized international speaker, Vlad has helped over a million IT Professionals and end-users across the globe to better understand and to get the most out of Office 365 and the greater Microsoft 365 platform. Vlad is the author of three SharePoint books published by Apress and over 25 courses on Pluralsight covering Microsoft 365, Azure, and the Power Platform.

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