Microsoft Excel sorts slider buttons alphabetically and numerically. Fortunately, you can add a custom sort list to sort the buttons in a more meaningful way, when necessary.

Learn how to create and use custom lists to sort data in Excel by your own order. Custom lists let you define and apply your own sorting criteria.

If you would like to enable Shared Workbook option, here's a way to add it to Excel Quick Access Toolbar. It is hidden under Excel Options.