Can you write an excel file on client machine instead of on the server

i trying user cfspreadsheet functon. first question have is, can write file on client machine? tried end on server drive. scecond question, there way row , column range formating in cf9.0? spreadsheetformatcellrange function available coldfusion server version 9.01.

thanks.

you can't directly write client machine. however, using cfcontent can invite user either open or save file.