Short description of Excel Invoice Manager Pro 2.19.1022: This flexible billing software/invoice software is based on Excel form/template. The Pro edition of the billing software/invoice software is a superb billing/invoicing program for various small to medium businesses. Easy-to-customize invoice form based on Excel template, customizable database structure supported by Database Designer. The search bar allows you to find customers, products and invoices easily - e.g. Customer Name contains Bill.