Open Customize User Interface (CUI): Type CUI in the command line and press Enter.
Locate the AUDIT Command: In the CUI dialog box, under the Customize tab, expand the Ribbon node and then expand the Panels node.
Add to Quick Access Toolbar: Drag the AUDIT command from the Panels list and drop it onto the Quick Access Toolbar in the Customize list.
Save Changes: Click Apply and OK to save the changes. The AUDIT tool will now be available in the Quick Access Toolbar for continuous display.
References:
* AutoCAD Help Documentation on Customizing the Quick Access Toolbar