How and why to save presentation as a pps file?

  1. Prepare your presentation.
  2. Go to ribbon and click File button.
  3. Select Save As and doublie click Computer button.
  4. From a drop-down list choose PowerPoint Show (*.pps) or (*.ppsx for 2007+ versions).

Tip: After double click a .pps file presentation will lanuch. This is a difference between pps and ppt extensions.