Configurable Excel Output - Best Practice?

Hello Community!

I want to be able to export the result of a MDX query as a Excel sheet. I know how to do with CDA and also with a Pentaho Report Viewer.
But I want to be able to configure the generated Excel file. Like defining Column Headers, adding a Logo and stuff like that.
Is it possible to define for a report for example to only export the textual data and not the whole report? Or to configure the CDA output?

Thanks & Regards