Follow these three steps to change your mailbox to use Office 365:
Step 1: Change your mailbox settings to Purdue Office 365
https://www.purdue.edu/apps/account/ChangeMailbox
Access: Your Username
Password: Your BoilerKey
Step 2: Change your email setting to Purdue Office 365 Email
Step 3: Wait 30 minutes and then check email at outlook.office.com
Access: Your Full Purdue email address
Password: Your Career Account Password
If you have issues email ITaP, itap@purdue.edu or 765-494-4000.