Hi guys, Most of us don't know about the Gmail features completely. Now we gonna see how we are going to undo a sent e-mail in Gmail. This features are almost hidden for those who don't know where to get this. You can see a lot of features there in the Gmail labs which they are currently experimenting, some are fun & others for some specific purposes. We are going to stick on to this Gmail labs undo feature only. Follow these below steps for undo a sent mail you may done without knowing by clicking a button mistakenly.
Steps:
1.Go to Gmail labs which is in the top-right corner of your mail page.
2.Now you can see the undo feature and click enable & save changes.
3. You can change the time interval you need to undo a sent mail. The time will be 10 seconds by default. you can change it to the maximum of 30 secs by going to the mail Settings -> general.
4. Now you can undo a sent mail within 30 seconds which will be discarded and saved in to your drafts.
