How to Change Macro Security Settings on Windows Vista

Changing Macro Security in Word or Excel 2007
1. Click the circular Office logo in the upper-left corner of the Word or Excel window, then click the 'Word Options' or 'Excel Options' button at the bottom of the menu.
2. Click the 'Trust Center' link on the left side of the screen, then click the 'Trust Center Settings' button.
3. Click the 'Macro Settings' link on the left side of the window to access the macro settings for the Office 2007 program you are using. The menus for Word 2007 and Excel 2007 are the same. The default selection is 'Disable all macros with notification.' To run your own macros, select 'Enable all macros.'
4. Click 'OK' to save your changes.