How To Insert A Checkbox In Word File? In Word, you can insert a checkbox by clicking on the Insert tab, clicking on the Check Box icon in the Forms group, and then selecting the location within the document where the checkbox should be placed. Checkboxes are graphical elements that allow users to select or deselect items or options in a list or form. Checkboxes can be used in several situations, such as forms, surveys, and other documents where users can choose one or more options from a list.