Sign in to Office in your desktop apps or on the web to unlock the full potential of Office.
Sign in to Office desktop apps
Select Sign in.
In the Sign in window, type the email address and password you use with Office. This might be your Microsoft account or your work or school account.
Sign in to Office in your web browser
Go to office.com/signin.
Sign in with the Microsoft account or work or school account you use with Office.
Sign in and unlock the full potential of Office.
While using your desktop apps like Word, Excel, or PowerPoint, select Sign In at the top right.
Enter the email address and password for the Microsoft Account or work or school account you use with Office.
If you need to sign out or switch accounts, select File and Account.
Then, choose if you want to Sign out or Switch account.
To sign in online, go to office.com/signin and enter your email and password.
Being signed in gives you access to your OneDrive and other Microsoft services.
This lets you store files online, share them with your co-workers, and access them on the go from almost anywhere.