If a table is the record source for the form, add the new field to the
table.
Open The form in Design View.
Click on the Field List Tool Button.
Drag the new field onto the form.
If a query is the record source for the form, add the new field to the
table, then to the query.
Open the form in design view.
Click on the Field List Tool Button .
Drag the new field onto the form.