How Do I Use Office 365 Web Apps? From your browser go to https://login.microsoftonline.com. For username, use your netid@gfcmsu.edu ex: a12b345@gfcmsu.edu. For password, use the one that you use to login to the computers on campus and your student email. You should see the following screen. From this screen simply click on the application you'd like to use the web version of. For example, clicking on Microsoft Word will open the web version of Word in your web browser.