For example, the default font for new blank documents is based on the Normal template. Open the template or a document based on the template whose default settings you want to change. On the Format menu, click Font, and then click the Font tab.Make any changes that you want, and then click Default. Note Most of the styles in Word are based on the Normal style.or example, the margins for new blank documents are based on the Normal template. Open the template or a document based on the template whose default settings you want to change. On the Format menu, click Document, and then click the Margins tab. Make any changes that you want, and then click Default.