The default active cell format in Microsoft Excel isn't all that easy to see, but you can use this easy-to-implement code solution to change that.

If Excel is not highlighting cells in the formula, enable 'Allow editing directly in cells' and 'Enable fill handle and cell drag-and-drop' in Excel options.

This article provides step-by-step instructions for color customizing your drop-down list in Microsoft Excel.

To ensure results update when cell colors change, create a macro to refresh calculations. For example, you can add a button linked to a macro that refreshes all formulas in your workbook.

Macros in Excel can perform functions like inserting pictures, copying data from one cell to another, etc. In order to write an effective macro to insert images in excel, you will need to use a loop.