Install Microsoft 365 Apps on your devices

It's a good idea to install the Microsoft 365 Apps on your computers, tablets, and phones. You'll get the latest updates, including security updates, for your apps and you'll have the most current features.

If you're part of your organization's security team, you can ask users to install the Microsoft 365 Apps on their Mac, PC, or mobile devices. This is something your users should do to be part of the front lines and help protect the org against attack.


This article applies primarily to unmanaged (or BYOD) devices. Microsoft 365 admins can manage Microsoft 365 installation options instead. To learn more, see the following articles:

Watch: Install Microsoft 365 Apps

For all members of the organization, the Microsoft Microsoft 365 Apps can be found on the Start menu. If you don't see them, each user must install them.

Have them perform the following:

  1. Go to, and sign in using your work account.
  2. Select Install Office > Microsoft 365 Apps > Run , and then select Yes.
  3. The Microsoft 365 Apps are installed. The process might take several minutes. When it completes, select Close.
  4. To install Microsoft Teams, go to the page, and then choose Teams.
  5. Get the Windows app, and then select Run. Teams displays a prompt when installation is complete.

Set up mobile devices for Microsoft 365 Business Premium users

Use the following instructions to install Office on an iPhone or an Android phone. After you follow these steps, your work files created in Microsoft 365 Apps will be protected by Microsoft 365 for business.

The example is for Outlook, but applies to any other Microsoft 365 Apps you want to install.

Watch a short video on how to set up Microsoft 365 Apps on iOS devices with Microsoft 365 for business.

If you found this video helpful, check out the complete training series for small businesses and those new to Microsoft 365.

Go to App store, and in the search field type in Microsoft Outlook.

Go to the iPhone App Store.

Tap the cloud icon to install Outlook.

Tap the cloud icon to install Outlook.

When the installation is done, tap the Open button to open Outlook and then tap Get Started.

Screenshot of Outlook with Get Started button.

Enter your work email address on the Add Email Account screen > Add Account, and then enter your Microsoft 365 for business credentials > Sign in.

Sign in to your work account.

If your organization is protecting files in apps, you'll see a dialog stating that your organization is now protecting the data in the app and you need to restart the app to continue to use it. Tap OK and close Outlook.

Screenshot that shows your organization is now protecting your Outlook app.

Locate Outlook on the iPhone, and restart it. When prompted, enter a PIN and verify it. Outlook on your iPhone is now ready to be used.

Set a PIN to access your organization's data.

Follow these links for additional information on how to:

Next objective

Set up protection for unmanaged devices.