It *sounds* as if you're trying to find a way to inline display some part of the contents of these documents in a webpage, but it's not entirely clear from your description.

If so, you're going to need some embeddable component which can read those files and do the display; I'm not sure how else you'd do it.

You *might* be able to do some kind of fancy OLE work, assuming 

1. All visitors have Office
2. All visitors are using Internet Exploiter

But whether that's practical depends on your environment, and I wouldn't have the first clue how to do it.

I'm not aware of any embeddable viewers for such documents either, though that doesn't mean they don't exist.