To do so, you can double-click the file itself, or you can open the PowerPoint program and then select the file name from the list of recent documents.
 These should be two slides between which you wish to add your slide. Right-clicking here will invoke a drop-down menu.
 It's toward the bottom of the drop-down menu. A new slide icon will appear in the area you selected between the two slides.


You can click and drag your slide in the sidebar to reposition it in the presentation's order.
Open your PowerPoint presentation if it isn't open.
Right-click a space between two slides in the sidebar.
Click New Slide.
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