Customizing Toolbars /text/shared/guide/edit_symbolbar.xhp Sun Microsystems, Inc. converted from old format - fpe customizing; toolbars buttons;toolbars toolbars;adding buttons changing; toolbars configuring; toolbars editing; toolbars adding;buttons in toolbars Customizing Toolbars
To add a button to a toolbar: Click the arrow icon at the end of a toolbar and choose Visible Buttons and then select the button you want to display.
To add a button to the list of Visible Buttons: Choose Tools - Customize, and click on the Toolbars tab. In the Toolbars box, select the toolbar you want to change. Click Add Commands , select the new command, then click Add. If you want, you can rearrange the Commands list by selecting a command name and clicking Move Up and Move Down. Click OK.