The calculation of kurtosis is possible, but you initially needs data such as this:

You should click on an empty cell (1), and type =KURT(all the cells ex. A1:A10) (2), then press enter.

And definition to fully understand:

Kurtosis is a measure of the concentration results. Kurtosis informs us about how our observations, the results are concentrated around the mean. This measure tells us how much of your results/observations is close to the average, or most of the observed results is a value similar to the average.