I don't know much about C#. But you can read office applications using Office Views without the complete office product
http://office.microsoft.com/en-us/downloads/HA010449811033.aspX
Santhosh Sivarajan | MCTS, MCSE (W2K3/W2K/NT4), MCSA (W2K3/W2K/MSG), CCNA, Network+
Houston, TX
http://blogs.sivarajan.com/
http://publications.sivarajan.com/
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