Did you spot a typo? Send something to the wrong person? Here's how to quickly recall an email and adjust your Gmail settings ...

Change the "Undo Send" Time Under the "General ... when it comes to sending emails in Gmail, and you'll be able to avoid those moments of regret after hitting "Send." ...

You can’t officially change it, but when you give out your email address, feel free to add or omit any dots. Just don’t add ...