Adding Title Slide Information
On the Menu bar, select View | Header and Footer.
Check Date and time and Update Automatically (or not).
Check Slide number.
Check Footer and type the name of your school.
Check Don't show on title slide.
Click the Apply to All button.
Note: A current date for your last modification can tell everyone that your information is recent and up-to-date or assembled in haste. An old date can say that you have been prepared for some time, or your information is dated.