Description: This article explains how to log in to an Office 365 application. Sometimes new computers come with a free trial of Office 365, which is not activated. If you have a Microsoft account with an Office 365 subscription, use these instructions to sign in using a Microsoft account and activate Office.

1. Open an Office application like Word or Excel. In this example we are using Microsoft Word.
   
2. Choose File from the menu bar.
   
3. Choose Account from the menu bar.
   
4. Under User Information select Sign in.
   
5. Enter the Microsoft Account email address that you want to sign in with then click Next. Enter in the password, then choose Sign in.