Preview Custom Invoice Format dialog
Use this dialog to select the invoice you would like to use to preview your format.
To access the 
button on the Custom Formats toolbar.
Preview Custom Invoice Format
dialog, verify that the invoice you want to preview is open in the Custom Formats designer screen and select the Preview button on the Custom Formats toolbar.Select the desired invoice from the grid and select 
button next to the
OK
to preview the format. To find an invoice quickly, you can filter the list of invoices using the fields in the Filter
list, or select the More button next to the Filter
field to create a custom statement selection filter.