Have you tried contacting molnarzs (Zsolt R. Molnar) · GitHub ? he is the only contributor to that tool.
You might also consider voting for the idea that most closely matches the desired behavior here: https://community.tableau.com/search.jspa?q=export+to+excel&type=idea
Hi Patrick ,
Thank you responding!
I did contact Tamas Foldi who had posted about this tool on the forums. This tool was built for Tableau 9.1, I'm assuming permissions have changed or the tool has evolved. I'm waiting for his reply though!
Great. Thanks Dhanlakshmi. Tamas is a rock star.