Go to every view.htm file make this property as downloadToExcel = "TRUE", then when you click excel icon on the view it will down load to excel sheet for each view, how many views are there that many excel files will create.
if you want to create all the views data in one excel file.
then u have to create one button [ Down load to Excel ] in view set, write your own logic to fetch all views data into one internal table and download that data into Excel file.