Which statements about organizing messages in Outlook 2016 are true? Check all that apply. The Categories function is used for grouping different types of messages in your inbox. Renaming a color category is a helpful step before assigning it to a message. Using the Ignore and Clean Up functions can clear up space in your inbox. Marking messages for follow-up will create a new appointment in the Calendar. New folders are saved on the server and are added to the list in the Folder pane. Once you create a new subfolder, messages can be dragged and dropped into it.