How to undo sent e-mail messages in gmail

Hi friends, today I am going to tell you how to undo sent email in gmail. It seems very absurd but its true. Sometimes we may click on send button in the middle of composing email or sometimes we forget to attach any file. Don't worry, we have a solution. You can recall those emails.

If you make a typo or regret sending a

message, you can undo the action by enabling the "Undo send" lab. This lab will give you the option to take back a message you just sent.

Follow these simple procedure

To enable the lab:

1. Click the gear icon  in the upper right, then select Settings.
2. Click the Labs tab.
3. Find the "Undo Send" lab and select the Enable radio button.
4. Click Save Changes at the bottom of the page.

Select the amount of time you have to undo sending a message by clicking the gear icon , and finding the "Undo Send:" section in the General tab of your Settings.  

Now, when you send any email then you will get notification "your email has been sent" with two links "undo" and "view sent message". Click on undo to undo sending of message.

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Enjoy hacking.