Share Office 365 Home with your household
Note: Sharing your subscription is only available with the Office 365 Home plan. If you have an Office 365 Personal subscription and want to upgrade, please see Switch to a different Office 365 for home subscription.
Sign in at your account portal, find your Office 365 Home subscription, and click Sharing.
Select Start sharing.
Choose how you'd like to share your subscription: Invite via email or Invite via link.