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You don't have to spend big bucks buying Microsoft Office! This program is a free suite of office products.
It includes word processing, spreadsheet, presentation and drawing programs. You can open and save in a variety of popular formats -- Microsoft Office, PDF, HTML, and others.
OpenOffice.org has the same look and feel as Microsoft Office, so there's no big learning curve. It's a big file, so downloading it may take some time if you're on a dialup connection.