If you used the Wizard to create an "Close" button on Form2, you can add this to the button's "OnClick" event: DoCmd.Close acForm, "Form1"<br>
If you didn't create an "Close" button on the form but used the standard Windows one, you can add the code to the OnClose event of Form2.<br>
See Help for "Close Method (Microsoft Access)" to see options for saving changes etc.