You can make your Basecamp to-dos with dates and other dated events in projects from Basecamp appear in your regular Outlook calendar for easy revision and reminders by subscribing to the Basecamp Planner.


Here is a short video of me doing just that.


Click To Watch Video


There's more on how the "schedule" or "Planner" works in Basecamp at this page:


Basecamp Lessons - Using The Planner