DataLoad is a popular tool used to load data into forms of various ERP and CRM products like Oracle Applications, SAP, and JDEdwards. It reduces the time and costs associated with data migration by providing an easy-to-use interface that allows non-technical users to load both transactional and setup data. The document discusses how to download a trial version of DataLoad, provides examples of DataLoad scripts for loading transactions and setup, lists commands used in DataLoad, and outlines the advantages of using DataLoad over conventional database interfaces.