If users need to access data that is not on their forms, you could add a subform; or, you can add a command button that, when clicked, will pop open the form that contains the necessary data. Find out ...

This object corresponds to a subform control. The subform control embeds a form in a form. For example, you can use a form with a subform to present one-to-many relationships, such as one product ...

The subform/subreport control embeds a form in a form or a report in a report. For example, you can use a form with a subform to present one-to-many relationships, such as one product category with ...