XLS files are Excel workbook files created in Excel 97 or Excel 2003. The 2007, 2010 and 2013 versions of the program use the XLSX format by default to save workbooks, but can also use the XLS format.

XLS is the default file type for Microsoft Office Excel files. It is compatible with nearly all programs that read spreadsheet files. If you are looking to manage your spreadsheets while you're on the ...

I'm sure this is simple, but I'm stuck (again).<P>I need a button on my web page that will download a file to the client browser that is an Excel spreadsheet. (This button is for users that aren't ...