You can create multiple presentations that are adapted for a variety of audiences by creating a
custom showAn independent group of slides that you select from an existing presentation. For example — in a presentation for training purposes, you might create a custom show for your marketing organization and another show for your testing organization. You open and view the custom show from within the existing presentation.
from a single presentation. This saves you the effort of duplicating a presentation, saving it as a new file, and then modifying it for a different audience. Use a custom show to present a separate group of slides from your presentation, or to create a hyperlink to a group of slides in your presentation.