Microsoft Excel Spreadsheet Document Data Formats

The Microsoft Excel spreadsheet application stores spreadsheets in a OLE2 compound file based format. The name of the files typically ends with .xls or .xlb.

• OpenOffice.org's Documentation of the Microsoft Excel File Format - Includes a description of the binary file format of Microsoft microsoft excel Excel, including all available Excel versions (for Windows) from microsoft excel Excel 2.1 to the current Excel XP.[PDF]

   MySQL - Cache Direct