Hi Kumar,
Hope this helps!
https://docs.mendix.com/howto/integration/importing-excel-documents/#:~:text=In%20the%20Connect%20columns%20to,the%20second%20is%201%2C%20etc.
Hi Kumar , So you are currently importing an excel file and with the data of excel file you are trying to generate a document and eventually you want to download that generated document in txt format . Is my understanding correct ?
Also one quick solution : https://marketplace.mendix.com/link/component/208097