For example, a screen tip could tell a coworker to click to see a chart of sales projections. Without a custom screen tip, PowerPoint would simply display the hyperlink address.

Learn how to link text, webpages, charts, images, graphics to a selected slide, an Existing File, a Webpage, an Email or ScreenTip for linked graphics.

Click the "Hyperlink" option in the "Links" group to open the "Insert Hyperlink" window. Click "Existing File or Web Page" in the "Link to" section of the window.