

You will notice that your changes have been applied to all slides.

Click Apply to All to save the changes and to update the slides. It is aesthetically better not to show this information on this slide since most of that information will be already displayed, such as the title of the presentation, the name and affiliation of the presenter, and sometimes even the date.

The next two options are Slide Number and Footer.Make a selection that best fits the format of your presentation. If you select Update automatically, you will be given a number of different formats for displaying the date and time, as shown below in the screenshot. The Fixed option means that, even if you open the presentation a month from now, the date and time will be fixed to the time when you created the header and footer. The Update automatically option means that the date and time will updated every time you open the presentation, which will save you the time and effort involved in updating it manually. If you select the Date and Time checkbox, you will be given two options: Update automatically and Fixed. The first option available is Date and Time.A dialog box will appear, as shown in the screenshot below.First, you need to access the INSERT tab and click on the Header & Footer button.

However, be careful not to spoil your presentation with too much information. This information will typically include the name of the presenters, their affiliation, and the presentation title, slide number, and date, but other information can be added as well. PowerPoint allows you to create headers and footers, that is, information that appears at the top and bottom of all slides. How to Insert Headers and Footers in PowerPoint
