This research is conducted by at office of OPD in City of Pekanbaru. Intention of research is to know influence of interest, education and understanding and training to usage of Information System Accountancy at office of OPD City of Pekanbaru. Population in this research is Organization Peripheral of Area (OPD) in City of Pekanbaru spread over in 45 OPD, while sampel amount to counted 135 peop…