Set up Office apps on a Windows phone or tablet
If this is your first time installing an app from the Microsoft Store, you may be prompted to sign in.
Enter your personal Microsoft account or Office 365 work or school account email address and password.
When the apps are installed, you’ll see them on your Windows Start Screen.
Tap the All Apps button
> tap any one of the apps, like Word.
Note: If you’re using Windows 10 Mobile, from the Start screen, swipe to the right to see all your apps. Then, tap an app to open it.
Swipe through the introduction.
Tap whether you want to use your Microsoft Account or an Office 365 for business account.
Note: If you’re already signed into an account on your phone, it will automatically log you in.
Tap Start Using Word. Any documents you’ve saved to your account’s OneDrive is shown.
To see files for a different app, open that app.
If you want to add another Microsoft Account or Office 365 for business account, tap your name > tap Add account and sign in.
You’re done setting up your Office apps!