Create a command button running a Macro
1. Open a form in Design view.
2. CClick the Control Wizards tooDesign→Use Control Wizardsl on the
Ribbon in the toolbox if it's pressed in. This turns off the wizard.
3. In the toolboxcontrols toolbox, click the Command Button tool .
4. On the form, click where you want to place the command button.
5. Make sure the command button is selected, and then click Properties Sheet
on the toolbar Ribbon to open its property sheet.
6. In the OnClick property box, enter the name of the macro or event
procedure that you want to run when the button is clicked, or click the Build
button to use the Macro Builder or Code Builder.
7. If you want to display text on the command button, type the text in the
Caption property box. If you don't want text on the button, you can use a
picture instead.
Also:
http://www.scribd.com/doc/3948608/MS-Access-Working-With-Macros
This is good too:
http://www.learnaccessnow.com/chap18d.html