Considerations for server-side Automation of Office
http://support.microsoft.com/default.aspx?scid=kb;EN-US;257757 read this if u are interested to communicate with office COM objects inside IIS or any other non-interactive app (like web service)
http://support.microsoft.com/default.aspx?scid=kb;EN-US;257757 read this if u are interested to communicate with office COM objects inside IIS or any other non-interactive app (like web service)