 <p>The Excel object model is fully documented on MSDN. Here is the Excel 2010 Application object. Use the links in the left navigator to view properties and members.</p> <p><a href="http://msdn.microsoft.com/en-us/library/ff194565.aspx">http://msdn.microsoft.com/en-us/library/ff194565.aspx</a></p> <p>Move up the navigator tree to Reference to see all the objects.</p> <p><a href="http://msdn.microsoft.com/en-us/library/ff846392.aspx">http://msdn.microsoft.com/en-us/library/ff846392.aspx</a></p>