A single installation of Express Accounts can manage many businesses. Each business runs as if it is an entirely different install-separated from the other businesses kept in Express Accounts. Every single setting can be changed for each business. Each business has it own customers, items, payments and, of course, invoices.

To add a business, from the File menu select Invoice -> Multiple Businesses. Then click the Add New Business button. After you click Add the Quick Start Wizard will run.

To delete a business, from the File menu select Invoice -> Multiple Businesses. Highlight the business you want to delete and click the Delete Business button.