You can choose how much of a document, presentation, or worksheet you view on the screen.In WordDo one of the following.On the View tab, in the Zoom group, click Zoom 100%. This returns the view to 100% zoom.On the View tab, in the Zoom group, click One Page, Multiple Pages, or Page Width.On the View tab, in the Zoom group, click Zoom, and then enter a percentage or choose any other settings that you want.In PowerPointDo one of the following.On the View tab, in the Zoom group, click Fit to Window, which changes the current slide to the size of your PowerPoint window.