Have you ever sent an email only to realise you made an error and wished there was a way to take it back? Or perhaps you wrote a strongly worded email to someone and after you hit the send button you realised that you probably should not have done that?
Well, with Gmail's Undo Send feature you have a small window to save yourself. The feature is not enabled by default but activating and configuring it is quite simple.
With “Undo Send” enabled, Gmail will wait a predefined number of seconds (5, 10, 20, or 30) before sending your email. During this period, you can hit the “undo” button to prevent it from being sent.
2. On the General tab, scroll to Undo Send and select Enable Undo Send (a tick should appear in the box).
4. Scroll to the bottom of the page and select Save Changes to apply your changes.
You can now test the feature by sending an email to someone. A pop-up will appear at the top of your Gmail inbox allowing you to click the Undo button.