Answer: You basically need to shift in the cells inside the excel file. This can be done as follows:
Open spreadsheet ->Loop through Read mai-> go to beginning of row of active cell-> set value of active cell{from} -> go to one cell right of active cell->set value of active cell{subject}->go to one cell down -> end loop
Want to learn RPA from scratch! Have a look at this video on RPA provided by Intellipaat:
Note there are options under excel which are to move to cell number, one cell down, one cell right, etc. you can use them to navigate through excel sheet as you please.