Pakistan, July 31 -- A little-known Gmail feature has been helping users avoid embarrassing email mistakes for years, yet many people still do not know it exists. The "Undo Send" option allows users to recall an email shortly after sending it, giving them a chance to correct errors or stop a message from reaching the wrong recipient.

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Many users experience the frustration of sending an email only to realise moments later that it contains a typo, incorrect information, or was addressed to the wrong person. In some cases, autocorrect changes words and alters the intended meaning of a message, making the mistake even more noticeable.

Google first introduced the Undo Sen...