In your Outlook Calendar, you can use colors to help you manage your appointments. For example, you can choose colors with predefined labels such as "Personal", "Needs Preparation," or "Must Attend;" or, you can create your own labels.

To create your own labels, follow the next steps:

1. Click Calendar.
    
2. Right-click an appointment or meeting, point to Label on the shortcut menu, and then click a color-coded label in the list. (To remove the color from the appointment or meeting, in the Label list, click None.) (see picture 1).
   
   

   Picture 1

To create your own colored label:

1. Click Calendar.
    
2. Right-click an appointment or meeting, point to Label on the shortcut menu, and then click Edit Labels.
    
3. Pick the color you want to rename, type in your new label name, and then click OK.