Excel Upload problem

I was trying to upload Excel using  https://github.com/btechco/btechco_excelexport/, though it's working fine in other browser; it's creating problem in IE11. What I can make out is in jquery.btechco.excelexport.js, to export data; it's using: 
var base64data = "base64," + $.base64.encode(excelFile); window.open('data:application/vnd.ms-excel;filename=test;' + base64data);
which is creating problem. In IE it's showing error:
Some content or files on this webpage require a program that you don't have installed.