In payroll systems like Workday, EIB (Enterprise Interface Builder) is a tool used to import and export data in bulk. It lets HR or payroll teams upload information—such as employee records, compensation changes, or payroll inputs—using simple files like spreadsheets (CSV or Excel), without needing complex coding or integrations. EIB is commonly used for tasks like mass updates, data migrations, and generating reports, making payroll processing faster and more efficie