Set up Microsoft 365 Apps for business

Add users and assign licenses

You can add users in the wizard, but you can also add users later in the admin center.

  1. Go to the admin center at
  1. If you're using Office 365 Germany, go to this admin center.
  1. If you're using Office 365 operated by 21Vianet, go to this admin center..
  1. Choose Go to setup to start the wizard.

  2. On the first page you will get the option to install Office apps on your computer. You can also do this later.

  3. On the next page you can add users and they will automatically get assigned the Microsoft Apps for business license. After you've added the users, you'll also get an option to share credentials with the new users you added. You can choose to print them out, email them, or download them.

When the sign-up process is complete, you'll be directed to the admin center, where you can add users, and assign licenses.

Install Office

Once you've created accounts for other people in your business, you and your team members will be able to install the full desktop version of Office (Word, Excel, Outlook, etc.). Each person can install Office on up to 5 PCs or Macs.

If you're using Office 365 Germany, go to

If you're using Office 365 operated by 21Vianet, go to

  1. Sign in with your work or school account.

  2. Select Install.

Need more detailed steps or want to install the 64-bit version of Office? See Step-by-step installation instructions.

Set up mobile

Install Office on your mobile device, and set up Outlook to work with your new Microsoft mailbox. Everyone on your team will need to do this step. Each person can install the Office mobile apps on up to 5 phones and 5 tablets.

Get the steps for your device: Android | iOS | Windows Phone

Store files online

Microsoft makes online file storage easy. To learn which storage locations are best for your business, see Where you can store files in Office 365.

Everyone gets a OneDrive cloud storage location automatically when you create Microsoft accounts for them. With OneDrive, you can access files across your computers, phones, and tablets.

  1. On your computer, use File Explorer to open OneDrive. Or, from Office 365, open OneDrive from the app launcher.

  2. View and upload personal files, or share documents or folders by selecting Share and then either inviting others to view the documents or sending them a link. To learn more, see Share OneDrive files and folders.

More at Upload files to a library.

Get started using Office

To take a tour of Microsoft 365 and learn how to use all the Office mobile apps, see Get started.

Add a custom domain

During the sign-up you chose an .onmicrosoft domain. You can also add a custom domain, like, to your account to personalize the emails. For more information, see add a domain.