Hi Jeff ,
Refer the below blog to configure Excel Exporter Module
https://medium.com/mendix/how-to-export-excel-files-reports-with-excel-exporter-mendix-10-511cf2f765ed
Hi Jeff,
Please check with some of the conditions to execute the excel export function.
1. You should configure the user roles with XLSReport Module Roles.
2. Check with your Input object and Output Document Variables passing for GenerateExcelDoc java action.
If you have any more doubts, please refer following learning path.