Get Workbook Sheets - This will get you all the sheet name in the List(String) “SheetNames” (I.e. the variable created)
Create a variable there and change the scope of the variable
Below EXcel application Scope , Use Build Datatable activity and give your headers there
One - You can add the details in add data row activity that will add you the details in teh Datatable one by one and at last write that datatable in the excel