Quickly Inserting Tables that Don't Go From Margin to Margin

The Insert Table tool is a handy way to create a table in your document. When you insert a table using this tool, Word assumes you want the table spread over the entire width of your available page. You may not want this in all instances. For instance, you may want the table to be a bit narrower so you can subsequently center it on the page and have it actually stand off from the margins better.

One way to compensate for this default behavior is to always create a table that is one column wider than what you need. For instance, if you need a five-column table, you would actually create a six-column table. The six columns are, of course, spread from margin to margin. Next, just delete one of the columns. What you are left with is your desired five-column table, and it does not spread from one margin all the way to the other.