also remember that .xlsx extension support from sas9.3m1 and excel 2007/2010 i guess....moreover keep this in mind; Remember the following points as you work with Microsoft Excel files. Excel 4 files allow only one spreadsheet per file. Excel 4, Excel 5, and Excel 95 :limits are 256 columns and 16,384 rows. Excel 97, 2000, 2002, 2003 limits :are 256 columns and 65,536 rows. Excel 2007 limits are 16,384 columns :and 1,048,576 rows. Excel 95 files are treated as the :same format as Excel 5 files. Excel 2000, 2002, and 2003 files :with an .xls file extension are treated as the same format as Excel 97 files. Excel 2007 and 2010 have three :different file extensions: .xlsb .xlsm .xlsx
... View more