Choose a color for the rule in the Color drop-down list (here I choose the purple color). Type a name for the rule in the Name field. In the following dialog, please click Add button to create a new rule. In the Advanced View Settings: Calendar dialog ( Customize View: Day/Week/Month dialog in Outlook 2007), click Conditional Formatting button ( Automatic Formatting in Outlook 2007).Ĥ. Or you can right click on one appointment in your calendar, and then select Automatic Formatting from the right-clicking menu in Outlook 2007.ģ. In Outlook 2007, please click View > Current View > Customize current view. After entering the Calendar view, please click View > View Settings, in Outlook 20. Shift to the Calendar view by clicking Calendar option.Ģ. Auto categorize calendar appointments in Outlookġ.