Under Show, select the ScreenTips check box.On the Tools menu, click Options and then click the View tab.You can turn it on by doing the following: In case the ScreenTips don't appear when you move the pointer over a button, it is possible the feature has been disabled/turned off. So, any time you are at a loss as to the name or use of a toolbar button, simply rest the mouse pointer over such button and immediately, you'll see a little text pop-up below the pointer, saying something. They appear on the screen to provide certain information about a toolbar button, tracked change, or comment or to display a footnote or endnote. ScreenTips, also known as Tooltips, are little pop-up descriptions that appear when you rest the mouse pointer over a toolbar button. So they fashioned a tool known as ScreenTip. You might well ask: 'What is the use of a toolbar button if its name or function is not known?' Well, the ever-creative programmers at Microsoft also once contemplated this problem. However, these toolbars offer too many buttons of various looks and shapes for a user to easily remember their names or their functions. I mentioned earlier that toolbars contain smart icons serving as shortcuts to the main menu commands.

The buttons contained in them are used to access commands more quickly than by opening the menus and the respective dialog boxes.

With toolbars, commands become just handy and easily accessible to users. The ToolbarA toolbar is a bar containing buttons and options that you use to carry out commands.

Show toolbar in word