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Undo Send for Gmail Sent Items

Disable automatically creating contacts in GmailHave you ever sent an email only to say “NO NO NO” seconds after you hit the send button? Or perhaps you wrote a flaming email to someone just to get it off your chest and after you hit the send button that voice pops up in your head and says “Are you serious, you actually sent that”!

Gmail has the answer for those “moments” called Undo Send. It’s not enabled by default (don’t ask me why) but turning it on and configuring it is simple.

Editors Note: Although we wrote about this tip back in 2009, I though it was worth re-publishing with new screenshots and a few other updates. Enjoy!

Add Undo Send Option to Gmail Account

From inside Gmail, Click the Settings Gear Icon then Settings.

Gmail Settings

Scroll down on Labs page and Click Enable for Undo Send.  To save, Scroll down and Click Save Changes

Enable Undo Send via Gmail Labs

Once enabled, be sure to set the cancellation period as shown below

Configure the “Undo” or “Cancellation Period”

Jump back to the General tab and configure the send cancellation period using the drop down arrow. This is the grace period Gmail will give you to undo the send. Again, click save changes to apply your changes.

Set Gmail undo send cancellation period

Test out the feature by sending an email to someone. A subtle popup will appear at the top of your Gmail inbox allowing you to click the Undo button.

gmail undo send popup

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5 Responses to Undo Send for Gmail Sent Items

  1. Josephy March 25, 2009 at 8:57 am #

    Sweet Tip. Thank you!

  2. Žilvinas February 15, 2013 at 12:00 pm #


  3. op March 5, 2014 at 11:49 am #

    Thanks Steve – Another cracker!!!

    • Steve Krause March 5, 2014 at 12:05 pm #

      Yeah you bet. I plan to post another article similar to this one for Outlook 2013 as well. Will get that one up shortly.

  4. Steve Brown November 5, 2015 at 10:08 am #

    UNDO SEND in Gmail labs seems to have gone away. Am I missing something? Is there a replacement? AND do you know of a free way to defer sending messages in gmail like Outlook – write today send tomorrow kind of thing.

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