The Dwarves of J. R. R. Tolkien's The Lord of the Rings and The Hobbit were known for wielding axes, but why did they prefer these weapons?

Learn how to unlock Excel’s hidden features with GROUPBY and create visually compelling, accurate reports like never before.

I can easily achieve the same result with a pivot table by dragging the Salesperson field into Rows and the Sales field into Values. It will also be nicely formatted. However, if I change anything in ...