How can I user the end-user run mass change Excel template?

Hi experts,

This links:https://blogs.sap.com/2015/05/15/mass-changes-of-byd-data-using-excel-and-byd-web-services/

With the user _EXCEL, it is OK.

Now my user is the end-user, which step I need to do?

Thanks a lot.

Benny