Click the Microphone button on the Language bar. The toolbar expands so that the Voice Command button becomes available on the toolbar.
Click the Voice Command button to shift into that mode.
Work with your Office document normally. When you are ready to issue a command, simply speak the sequence just as you would click through it if you were using the menus or toolbar normally (ie. with the mouse or via keyboard shortcuts).
Did You Know?
You can have text read back to you . Display the Speak Text button on the Language bar. Select the text you want read back to you, and then click Speak Text.