Maspredishithi Akuluakulu a Excel amatha kukhala ndi data yobwerezabwereza, yomwe nthawi zambiri imawonjezera kuchuluka kwa chidziwitso ndipo imatha kubweretsa zolakwika chifukwa chokonza deta pogwiritsa ntchito mafomu ndi zida zina. Izi ndizofunikira makamaka, mwachitsanzo, pogwira ntchito ndi ndalama ndi zina zachuma.
M'nkhaniyi, tiwona njira zopezera ndikuchotsa zobwereza (zobwereza), makamaka mizere mu Excel.