There’s a cool feature in PowerPoint that allows you to see all of your slides in sequence, move them around, and double-click to edit them. I don’t know what it’s called, but it usually appears at the left side of your screen in PowerPoint, like this: On a recent Excel project, my client had an idea to implement a similar feature in their Excel workbook. In this case, the user is sometimes working with dozens, or even hundreds, of Excel worksheets in a single workbook. To ma