In Gmail:
- Go to Settings.
- Got to Accounts and Import.
- On the Send mail as: row, click Add another email address you own
- In the pop-up window, add your @appc.upenn.edu email address, and click Next Step
- Change SMTP Server to outlook.office365.com
- For Username, enter your entire @appc.upenn.edu email address
- Enter your email password used to access appc.upenn.edu email
- Click Add Account
- Google will send a verification code to your @appc.upenn.edu email address. Type that code to finish.