Essentially, the answer is that you need to code the page correctly, you can't simply upload a document in a different format. If you want to know how a web page should be formatted, see the following tutorials:
Alternatively, if you don't want to learn how to code html, use InstantPro:
InstantPro would allow you to format pages, links, images and tags without needing to know how they work.
I hope this helps.