Add or remove a slide
    - Open the presentation that you want to edit.
 - Tap inside the presentation.
 - ClickFile > Slides.
 - Use the thumbnails on the right-hand side to navigate to the slide that you want to delete or duplicate.
 - Long tap on the slide that you want to delete or duplicate.
 - Do one of the following:
- TapDeleteto remove a slide from the presentation.
 - TapDuplicateto add a slide from the presentation. After you have duplicated the slide, you can edit it to include the appropriate information.
 
 - When you are done, clickSlides > File > Save.