An ActiveX control that allows a user to import lists from spreadsheets or to verify whether a compatible spreadsheet application is available for list export in Windows SharePoint Services.
When the page containing a view of the list opens, the EnsureSSImporter function is called, which is defined in the OWS.JS file. This function creates the control on the page as follows:
In the context of an application whose version is earlier than Microsoft Office 2003, 1 is used as the version number.
When Office 2007 is installed on the client computer, this control is defined in the OWSSUPP.DLL file, a dynamic-link library (DLL) that is installed on the client during Office 2007 setup in the
\\Program Files\Microsoft Office\OFFICE12 directory.