The article "Ten things every Microsoft Word user should know" is for computer users who are still using Microsoft Word (and not Open Office or similar freeware products). I think most companies still rely on the Microsoft Office product line, also many computers come pre-installed with an OEM version. You get a great explanation and guide for every tip that shows you how to use the feature described.
The author takes a look at styles (general, header, character and table styles), Table of Contents, Line and Page Breaks, Captions and Cross Reference, Turn off auto formatting, Character Based formatting, Continue previous list and finally keyboard shortcuts. The tips are great and pretty useful if you are just getting started with Microsoft Word, or would like to know more about the program that you have been using all of those years.
Update: The guide has been written in 2006, which means that it is based on an older version of Microsoft Word, and not the Word that ships with Microsoft Office 2007, 2010 or even newer versions of Office. This also means that "the way to do things in Word" have changed, and that you won't be able to follow the author's explanations if you are using a newer version of the software.
That does not necessarily mean that you won't get anything out of the guide though. What you need to find out though is where the features described in the article are located in your version of Word. This may involved some clicking around in the Word application, or research on the Internet to find websites that explain these concepts for the installed version of Word.
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