If you are trying to Copy data from excel 1 to excel 2 by iterating the data using for each excel row, below would be the outline. However this approach could be slow while operating on huge data, hence consider using read range and write range activties.
Add excel Process scope
With in Excel process scope add Use excel file(For File 1)
Inside the above excel file add another use excel file (for file 2)
Inside the file 2 scope add for each excel row and refer to excel 1 as mentioned in screenshot
5.Use append range to add records to excel 2