Install and activate Office A Microsoft account or work or school account is required to install and activate Microsoft 365 and Office versions 2013 or later.Ĭonnect to other Microsoft services Once your account is associated with your Office product, and depending what version of Office you have, your account also connects you to various Microsoft products and services such as Office Online or OneDrive.
Signing in with your account allows you to: Why do I need an account to sign in to Office?Īn association occurs between Office and your account and is what verifies you're the licensed owner of Office. How do I change the account name? Why do I need an account to sign in to Office? 'Office isn't associated with this account' message
