In this section, you'll explore Microsoft 365 user account management, licensing, and collaboration. You'll begin by understanding how to manage user identities and licenses, including managing licenses through PowerShell. As you progress, you'll explore what happens when users are deleted and how to recover deleted users in Microsoft 365. You'll also learn how bulk user management can streamline administrative tasks. The section further introduces B2B Collaboration and Microsoft Entra ID, helping you understand how to securely collaborate with external users and organizations. By the end of this section, you'll have a solid understanding of user management, licensing, recovery, bulk administration, and B2B collaboration in Microsoft 365.

In this section, you'll explore Microsoft 365 external collaboration and contact management, learning how organizations securely work with guests and external users. You'll begin by understanding guest roles in SharePoint and configuring external collaboration settings. As you progress, you'll explore B2B Collaboration in Microsoft 365 and learn how invitation redemption works for external users accessing organizational resources. The section further introduces contacts in Microsoft 365, helping you understand their purpose and how to manage them. You'll also gain practical experience managing contacts using PowerShell. By the end of this section, you'll have a solid understanding of external collaboration, guest access, invitation redemption, and contact management, enabling you to manage external users and contacts effectively.