When you open Microsoft PowerPoint, the slide thumbnails appear in the left-hand pane by default. PowerPoint lets you hide, show, or even change the size of those thumbnails. Here’s how.
Everyone has a different working style. Some may prefer to keep the slide thumbnails to create an outline or easily navigate between slides when making edits. However, some might find them distracting or intrusive and, as such, would like to hide or decrease their size. Both are relatively easy to accomplish.