Change fonts for entire workbook in Tableau You can change all fonts in your workbook or you can change fonts for only certain areas, such as just worksheet titles. On the Format menu, select Workbook . The Format Workbook pane replaces the Data pane on the left and provides a series of drop-down lists where you can change all font settings in a workbook, as well as the font settings for titles of worksheets, stories, and dashboards.