1) Launch any Microsoft Office application, such as Word or Excel.
2) Click on File in the top left corner of the application window.
3) Click on Account on the left sidebar.
4) Click on Sign Out under your account details. (If you are not currently signed in, skip this step)
5) Click on the Sign In button.
6) Enter your full Lehigh email address (firstname.lastname@example.org), then click Next.
Make sure to include your full email address, not just your Lehigh username.
7) Enter your Lehigh account password, then click Sign In.
Use the password for your Lehigh account, not any password you may have previously used for your Office login.