Nokia Lumia 800 - How do I manage more than one calendar on my Lumia phone?

You can color code calendars from different accounts following way:

  1. Open the Calendar application and select the Day or Agenda view.
  2. Then tap the three dots (...) in the right bottom corner.
  3. Tap on Settings.
  4. In this screen you can change thecolors of calendars and turn calendars on and off. You can modify for example Windows Live or Exchange calendars.