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

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.

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.

Gmail does not have conditional formatting. You can use filters to put email in different folders (what Gmail calls labels) or put it in different tabs along the top of the inbox.