On the calendar interface ... the appointment or meeting you want to color code. In Microsoft Outlook, the default colors are Blue Category, Green Category, Yellow Category, Red Category, Orange ...

With these hacks, you can transform your Outlook or Google Calendar into a powerful tool for productivity and organization.

Now, this makes no real sense to me, as almost every day, I had a blue dot informing ... from appearing on your calendar. How do I remove Facebook birthdays from my Outlook calendar?