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I checked and found that in ETABS 9.7.4 version after analysis when you export the summary report, it gives you Story Forces under two different heading which are as follow: 1- Auto Seismic Story Forces (Fx, Fy, Fz) >> Here Fx and Fy are the individual seismic shear values at each level or absolute seismic force values at each floor level. 2- Story Forces (P, Vx, Vy) >> Vx and Vx are the sum or net values (Story shears) and ETABS uses these (Vx and Vy) along with the total floor displacement for calculation of story stiffness Thanks once again Omar bhae ...