Excel  5.0(*.xls),Excel 5.0;,Execl 5.0 files (*.xls)|*.xls,01
Excel 8.0(*.xls),Excel 8.0;,Execl 8.0 files (*.xls)|*.xls,01
Excel File(Using MS-Excel)(*.xls),XLS;,Execl 8.0 files (*.xls)|*.xls,05
RTF File(using MS-Word)(*.rtf),DOC;,Rich Text File (*.RTF)|*.rtf,03
RTF File(without using MS-Word)(*.rtf),RTF;,Rich Text File (*.RTF)|*.rtf,02
Word Document(*.doc),DOC;,Microsoft Word files (*.Doc)|*.doc,03
