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I hear that gmail has ability to delay sending emails for up to 30 seconds so that you can undo the send, but I am unable to locate the setting.

Where does this setting exist in gmail?

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up vote 1 down vote accepted

If you make a typo or regret sending a message, you can undo the action by enabling "Undo send." This setting gives you the option to take back a message you just sent.

To enable Undo Send:

  • Click the gear in the top right Gear
  • Select Settings.
  • Scroll down to "Undo Send" and click Enable.
  • Set the cancellation period (the amount of time you have to decide if you want to unsend an email).
  • Click Save Changes at the bottom of the page. If you had Undo Send turned on in Gmail Labs, your Undo Send setting will be on by default.

Note: To give you time to undo, Gmail delays sending the message for a few seconds. So if you don't select "Undo" within the time limit, your message will be sent. "Undo send" may not work if you experience connection issues.

Taken from this Google Support article.

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Please add essential part of the link in your answer. – serenesat Oct 21 '15 at 5:14
If the page you are linking to should go away some day, your answer will be left useless. So please include the relevant part of the linked page in your answer. – Vidar S. Ramdal Oct 21 '15 at 6:55

It is in the 'Labs' section of settings, you have to enable this experimental feature. Search for 'undo send' to find it. You can then configure the delay of send from 5 up to 30 seconds in the General tab of your settings. It defaults to 10 seconds.

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This feature has graduated from Labs and is now available on the "General" tab in Settings. – Al E. Oct 21 '15 at 11:21

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