The Library provides custom formats that you can import into your Practice CS database to expand the capabilities of Practice CS, and in many instances, reduce the effort you would expend in producing custom formats yourself. Most of the custom formats are a result of multiple customer requests for changes or additional features associated with reports, invoices, statements, labels, and letters. In response to such requests, custom formats were added to the library so they could be made available to all customers. The types of formats available in the Library include: