If you are a current Office 365 User you will be presented with an a link to direct you to your the Office 365 sign in windows. See Step V.
Alternative you can go direct to
Go to Outlook.ptsem.edu
choose your email account
Skip to step viii
vi. Type in your user name. Example (email@example.com)
vii. Click next
viii. Type in your user name. Example (firstname.lastname@example.org)
If are on a public computer, be sure to sign out when you are finished!
If you need a guide to the new outlook 365 layout, please refer to this page