Please refer to the following link for instructions on using the new Office 365 web portal for email access.
First Steps: Login
Goto: http://login.microsoftonline.com to log into the web portal for access. Be sure to use your current email address and password.
Click here for an Overview of your new Inbox
Apple iPhone/iPad Users
Mobile Device Users should Click Here for instructions on using the OWA (online web app) for iPhone and iPad.
Click Here for instructions on how to use the web app offline.
Calander App For Office365
Click Here for instructions on how to use the Calendar within Office 365