EPFO has launched WhatsApp services allowing members to check their PF balance, view the last five transactions and download their passbook. Here is a step-by-step guide to using the. EPFO has introduced a new WhatsApp service for PF subscribers. Check how to access your PF balance, passbook and latest 5 transactions. The Employees' Provident Fund Organisation (EPFO) has rolled out services through WhatsApp.