For an iPhone, go to the iTunes Store.  For an Android phone, go to the Google Play store.  In either case, search for "OWA".  The Outlook Web App is a free app that will allow you to get your Pfeiffer email on your smart phone.  Download the app.  When asked to sign in, you your Active Directory credentials (username and password).  If you don't know your credentials, please contact the Help Desk for assistance.

(Updated 2/3/2016)