By default, Microsoft Office PowerPoint 2007 slide layouts are set up in landscape orientation. Although you can have only one orientation (either landscape or portrait) in a presentation, you can link two presentations to display both portrait and landscape slides in what appears to be one presentation. To link two presentations, do the following:

 Note   It is best to place both presentations in the same folder before you create links. That way, if the folder is copied to a CD or moved, the presentations will still link correctly.

1. Create a link from the first presentation to the second presentation:
   1. In the first presentation, select the text or object that you want to click to link to the second presentation.
   2. On the Insert tab, in the Links group, click Action.
   3. On either the Mouse Click tab or Mouse Over tab, click Hyperlink to, and then select Other PowerPoint Presentation from the list.
   4. Locate and click the second presentation, and then click OK.
   5. In the Hyperlink to Slide box, under Slide title, click the slide that you want to link to, and then click OK twice.
2. Create a link from the second presentation back to the first presentation:
   1. In the Hyperlink to Slide box, under Slide title, click the slide that you want to link to, and then click OK.
   2. On the Insert tab, in the Links group, click Action.
   3. On either the Mouse Click tab or Mouse Over tab, click Hyperlink to, and then select Other PowerPoint Presentation from the list.
   4. Locate and click the first presentation, and then click OK.
   5. In the Hyperlink to Slide box, under Slide title, click the slide that you want to link to, and then click OK twice.