Transcription: Have you ever done anything by mistake on your computer? Chances are if you've ever turned it on, you have. And so you also need to be able to undo your mistakes. And luckily, Microsoft has given us a shortcut to undo right smack dab in the middle of our toolbar. The undo button is the button that looks like a U-turn arrow. And when you click the undo button, click, it undoes whatever you just did.
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