How to Set a Default Calendar on the iPhone & iPad
By Amy Spitzfaden–Both
Have you ever set a work appointment in the Calendar app only to find that it's been scheduled in your family calendar rather than your work calendar? The problem is likely the result of having your family calendar rather than your work calendar set as the default calendar on your iPhone. The solution is to change the default calendar in the Calendar app to the one you use the most often. That way appointments will automatically be added to the right calendar. And on the less frequent occasions when you need to schedule an event in a different calendar, you can easily choose a different calendar when scheduling it. Here's how to set the default calendar on your iPhone to the calendar you use the most.