On the Columns dialog box, choose the number of columns and specify any spacing between the columns and whether you want a vertical separator line to appear between the columns.Choose Format > Columns or go to the Columns page of the Page Style dialog box.To define the number of columns on a page: You can then either define extra page styles for pages with different numbers of columns or use sections (described in Using sections for page layout) for pages or parts of pages with different numbers of columns. It is a good idea to define your basic page style (such as Default) with the most common layout to be used in your document, either single-column or multiple-column. Switch between one-column and multiple-column layouts on the same page.You can use columns for page layout in these ways: