Book Image

Microsoft Office 365 Administration Cookbook

By : Nate Chamberlain
Book Image

Microsoft Office 365 Administration Cookbook

By: Nate Chamberlain

Overview of this book

Organizations across the world have switched to Office 365 to boost workplace productivity. However, to maximize investment in Office 365, you need to know how to efficiently administer Office 365 solutions. Microsoft Office 365 Administration Cookbook is packed with recipes to guide you through common and not-so-common administrative tasks throughout Office 365. Whether you’re administering a single app such as SharePoint or organization-wide Security & Compliance across Office 365, this cookbook offers a variety of recipes that you’ll want to have to hand. The book begins by covering essential setup and administration tasks. You’ll learn how to manage permissions for users and user groups along with automating routine admin tasks using PowerShell. You’ll then progress through to managing core Office 365 services such as Exchange Online, OneDrive, SharePoint Online, and Azure Active Directory (AD). This book also features recipes that’ll help you to manage newer services such as Microsoft Search, Power Platform, and Microsoft Teams. In the final chapters, you’ll delve into monitoring, reporting, and securing your Office 365 services. By the end of this book, you’ll have learned about managing individual Office 365 services along with monitoring, securing, and optimizing your entire Office 365 deployment efficiently.
Table of Contents (16 chapters)
Chapter 14: Appendix – Office 365 Subscriptions and Licenses

Changing the domain for users

Once you've added a custom domain, or if you've acquired multiple domains and need to move existing users between domains, you can use the Change domains option. This changes users' email addresses and login credentials and can affect any scheduled meetings, so be sure to communicate this important fact prior to performing the steps in this recipe. In this recipe, you'll change selected users' domains.

Getting ready

You must be an Office 365 administrator to be able to change a user's domain.

How to do it…

  1. Go to the Microsoft 365 admin center at
  2. Select Users > Active users.
  3. Select all users for whom you're making the domain change and select Change domains:

    Figure 1.27 – Two users selected and the ellipsis menu showing the Change domains option

  4. Select the new domain from the drop-down list and read the disclaimer:

    Figure 1.28 – The...