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

Configuring external access

By default, users in your organization can communicate with people from any domain in or outside your organization. You can choose to add or block domains and change whether your Teams users can communicate with Skype for Business and Skype users by utilizing the External access settings in the Microsoft Teams admin center. In this recipe, we'll choose to block specific domains so that our Teams users cannot communicate via Teams with users in those domains.

Getting ready

You must be a global or Teams administrator to configure the settings in this recipe.

How to do it…

  1. Go to the Microsoft Teams admin center at
  2. Select Org-wide settings | External access:

    Figure 9.41 – The External access link in the left-hand navigation menu of the Microsoft Teams admin center

  3. Click + Add a domain.
  4. Type a domain from which you'll block your users from communicating, select Blocked, and...