Outlook Calendar allows you to create appointments or meetings. Learn how to color code the Calendar in Outlook using Conditional Formatting.

There is an easier way. Highlight cell a1:g7 and set conditional format style to 3-color scale. Set minimum number to -1, midpoint number to 0, and max number to 1. Much quicker method.

How to apply the conditional format in Outlook Calendar With or without an appointment, applying a conditional format is easy, and Outlook applies the code automatically.