You can align text between the top and bottom margins of a page if the text on the page does not fill the page. For example, centering text vertically often improves the appearance of short business letters or report cover pages.
If you have built a long table that extends across two or more pages, you can create a table heading from the text appearing in the first row of the table, and Word will automatically repeat that row at the top of each page.
If you want to send several letters with the same text, but with different attributes (e.g., names of recipients and their addresses), you can merge a document with a database (e.g., a table of Excel).
Either you do your scientific research work at school or college, or write an article to the reputable magazine you need to reference sources of your information. To simplify this hard work Word 2007 provides you automatic tools for inserting citations.