In other words, if one user has that file open, it can prevent another user on a different computer from opening the file in a way that lets him or her make changes.
N'ikwu ya n'ụzọ ọzọ, ọ bụrụ na onye ọrụ nwere faịlụ ahụ na-emeghe, ọ nwere ike igbochi onye ọrụ ọzọ na kọmputa dị iche iche ka ọ mepee faịlụ ahụ n'ụzọ ga-eme ka ọ gbanwee.