From the settings in the Toolbar Options dialog box, you can change the appearance of the Toolbar buttons (as icons or with text), determine which buttons display, and set the order in which they are displayed.
By default, the following commands appear as icons: Delete; Next; Previous; Reply, Include Message; Forward; New Message; Print One; Open Mailbox; and Reply.
Choose Toolbar from the Options menu.
The Toolbar Options dialog box is displayed. Under Commands is a list of the commands you can choose to be displayed in the Toolbar, either as icons or with text. Those commands you have chosen to be displayed in the Toolbar are shown in the Toolbar scrolling list.
Select Icons or Text as your preference for the display.
(Optional) Click Add or Remove to add or remove a selected command from the Toolbar.
(Optional) Click Move Up or Move down to change the order in which the buttons are displayed.
Click OK or Apply to make your changes take effect.