When importing a Dialogue Design presentation file (.prs or .mprs), you can select the slides to import through the Import PRS/Import MPRS window. When you select a particular slide, the Slide Preview area shows a preview of the slide.
To import slides from a presentation
Slide Preview is available for the following file types:
For PowerPoint slides, an image of the slide is shown in the Slide Preview area. Recorded movies and third-party Flash movies are played back in the Slide Preview area.
Slide preview is not available for the following file types:
For these types of files, the message Preview not available is displayed in the Slide Preview area.