Creating Forms in Microsoft Access
By Mike Chapple, About.com Guide
Click the Properties icon. This will bring up a menu of user-definable attributes that apply to our form. Edit the properties as necessary. Recall that our original goal was to create a form for data entry purposes. Most likely, we don't want to grant data entry employees full access to view or edit customer records. Setting the "Data Entry" property to Yes will only allow users to insert new records and modify records created during that session.