The growth, microstructure and magnetic property of both bulk and thin film types of ScFeO₃ are studied. Results show that the mono-phase bixbyite structure bulk ScFeO₃ can be obtained with sintering temperature above 1400 °C. The bulk ScFeO₃ shows dominant antiferromagnetic property with an antiferromagnetic Neel temperature T_N about -26 K. The epitaxial type of ScFeO₃ thin film with bixbyite structure can be well grown on the SrTiO₃(111) substrate. The magnetic property of ScFeO₃ thin film is significantly different from that of bulk material which shows notable room temperature ferromagnetism with a saturation field below 0.4 T. The saturation magnetization M_S, remanent magnetization M_r, coercivity H_c and of ScFeO₃ film increase with decreasing temperature with maximum values of M_S = 5.1 emu/cc, M_r = 1.5 emu/cc, and H_c = 29 mT at 5 K. The ferromagnetism of ScFeO₃ thin film should be caused by the interface mismatch strain at film/substrate interface. This further proves that ferromagnetism of ScFeO₃ can be stabilized with microstructure engineering including strain, which enable multifunctional properties of this material.