Excel does not offer a Clustered Stacked Column chart, nor does it offer a Clustered Stacked Bar chart.
Excel offers a Clustered Column chart type and a Stacked Column chart type, but it doesn’t offer the combination of these two charts. Same goes for a Clustered Stacked Bar chart.
What is a Clustered Stacked Column Chart?
Well a clustered stacked column chart would allow you to group your data (or cluster the data points) but use it in conjunction with a stacked column chart type.
Learn how to make a clustered stacked column chart with this How-to step-by-step tutorial and video link.