Need to rotate your slides? Would you like to rotate them to portait page orientation?
By default, Microsoft Office PowerPoint 2007 slide layouts are presented in landscape page orientation, or you can rotate your slide layouts to portrait page orientation.
Portrait page orientation
Landscape page orientation
To rotate all slides in a presentation to portrait orientation, do the following:
On the Design tab, in the Page Setup group, click Slide Orientation, and then click Portrait .