After what seems to have been the longest beta period ever, Google has finally graduated Gmail’s "Undo Send” option from labs into a permanent spot.

When you enable Undo Send, you’re able to "unsend” an email up to 30 seconds after you hit the send button — Gmail just delays sending briefly so you have a moment in case you change your mind.

The feature has lived in Gmail’s "Labs” area, which the company uses to test out new features, since March 2009.

Undo Send now lives in Gmail’s settings under the "General” tab. It’s disabled by default, but it’s worth turning on if you haven’t already.

People currently using the Labs version of 'Undo Send' will have the setting turned on by default at launch.

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