Outlook Web App (Light)

Outlook WebApp (OWA) also has a "light" version.  Here are a few links to help you get started with OWA Light.

 

OWA Light Getting Started - http://help.outlook.com/en-us/140/bb899580.aspx

OWA Light Calendar- http://help.outlook.com/en-us/140/ms.exch.owal.calendarlight.aspx

OWA Light - http://help.outlook.com/en-us/140/ms.exch.owal.defaultlight.aspx