Select Date and Time option on the Slide tab. Photo Credit: Â© Wendy Russell. Date Option 1. The options to add a date and/or time to your presentation is found in the Header and Footer dialog box. 1  Click the box next to Date and Time. 2  By default, the Update automatically option is selected.3  Each time the PowerPoint 2007 presentation is opened, the current date will be the date shown.he options to add a date and/or time to your presentation is found in the Header and Footer dialog box. 1  Click the box next to Date and Time. 2  By default, the Update automatically option is selected.