excel formula checklist in employees : i want to know about this excel formula and how it works IFERROR(COUNTIF(OFFSET(T_E[[#Headers],[EMPLOYEE NAME]],MATCH(I_E,L_E,0),MATCH("ACT 1 DT",L_H,0)-1,1,N_S),">0")&" / "&N_S,"") please tell me about this formula and how can i change this by adding or removing