>What is a good user query builder I can easily include with my application?
>
>I would also like to be able to send Query results to an Excel file.
>
>
>the particular application this is with is a simple one file view only of a large invoice history file.

There are many commercial query builders on the market.

If you do not want to spend any cash examine
"Interactively Build a SELECT statement" under the "View/Queries" option under the "Databases" option of the Solution.pjx that comes with VFP.