To specify the comb format for date/time fields Use the comb format when you want to separate numbers added to date/time fields by border lines. 1. In the Object palette, click the Field tab. 2. Select Comb of Characters to includes border lines that separate each number within the date/time field. 3. Enter how many numbers will be separated by border lines within date/time text field. See also Overview of date/time fields Date/time field properties in the Field tab