Then it returns to the previous dialog boxes, please click the OK buttons to finish the setting. Please specify the Font, Font style and the Size, and then click the OK button. In the Format Calendar dialog box, click the Font button in the Calendar Appointments section.Ħ. In the Advanced View Settings: Calendar dialog box, please click the Other Settings button.ĥ. Right click on a blank place of the calendar, then click View Settings in the right-clicking menu. Display the calendar in any view you like such as Month or Day view.ģ. Get into the Calendar view by clicking Calendar in the Navigation pane.Ģ. In Outlook 2013, you can do as follows to change the calendar appointments font.ġ. Change calendar appointment font in Outlook 2013