Getting files: 
 
In[2]:=  f = ToFileName[{ExcelDirectory["Link"], "Examples"}, "Stocks.xls"]
Out[2]= C:\Documents and Settings\Anton\Application Data\Mathematica\Applications\ExcelLink\Examples\Stocks.xls
My file on my computer is "This PC\Documents\FRB Forms\14A\2015 Params"
This workbook has 6 spreadsheets. Do i need to include one?