Calendar, milestones & events

1. What is iCal(endar) and how do I use it with Basecamp?
2. Can I move items from one Basecamp project to another?
3. What’s the difference between to-dos, milestones, and events?
4. What is the purpose of the To-dos, Calendar, and Time tabs on the Dashboard?
5. Can I attach a file to a to-do or milestone?
6. How do I add the iCalendar feed of milestones to my Google calendar?
7. How does the calendar work?
8. What does it mean to relate a to-do list to a milestone?
9. What is the Daily Digest and how do I subscribe to one?
10. Does Basecamp integrate with Microsoft Outlook?
11. I'm no longer receiving email notifications from Basecamp. What's going on?
12. Can I create Gantt charts with Basecamp?
13. Can I make milestone templates?
14. Can I subscribe to all milestones and events in a single calendar or do I need to subscribe to each project individually?
15. Can I make milestones private?
16. Can I set milestones so an email is sent when they're due?
17. Can I create recurring milestones?
18. Can we add a time to Milestones or only a date? What about a date range?
19. How do I assign a milestone to someone else?
20. Can I add comments or files on milestones?
21. What does "associate with a milestone" mean on a message?
22. Can I move multiple milestones at once?
23. How can I see all the milestones assigned to me?
24. How do I get my Basecamp milestones to integrate with my Backpack Calendar?
25. How do I add a project phase to the calendar?
26. How do I update my time zone?
27. My calendar program doesn't recognize "webcal://" – what should I do?
28. Why do I get errors when I try to subscribe to the iCalendar?
29. How do I add and edit an event?