To do this task
Open the Basic Customization window.
Open the type of form you want to customize.
For example, to open the invoice form click the Create Invoices icon.
At the top of the form, click the Customize drop-down arrow and select Customize Design and Layout.
Note: If you don't see the Customize drop-down arrow, you may need to resize or maximize the window.
Click the Customize Data Layout button.
At the bottom of the Additional Customization window, click the Basic Customization button.
Select the field in the Change Font For list, such as Title, and then click the Change Font button.
Click the font style and size you want to use and then click OK.
(Optional) Click the Print Preview button to view a larger preview and then click Close.