Take a mulligan on your emails
Maybe you typed an angry email to your boss or noticed a typo right after hitting the Send button. Either way, if you're using Gmail and wish you never never sent that email, you can use the new Undo Send feature.
Actually, it's technically not a new feature, though it is now official. For the past six years, the Undo Send feature existed as part of Gmail Labs, a landing spot for experimental features that aren't a part of the official Gmail experience. Well, the Undo Send command has finally graduated.
To enable it, go into your Gmail's Settings (click the little gear icon in the upper right corner and select Settings). Under the General tab, you'll see a checkbox for Enable Undo Send about halfway down the page. Check the box and then select a cancellation period from the pull-down menu -- it can be 5, 10, 20, or 30 seconds. When you're finished, scroll all the way down and click Save Changes.
Now when you send an email, there will be a message at the top of Gmail saying, "Your message has been sent," along with Undo and View Message options. Click on Undo and Gmail will cancel the send command. You'll then have a chance to edit your email or nuke it altogether.
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From maximumpc
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