Have you ever instantly regretted hitting send on an important e-mail? Now you can undo it thanks to Gmail. 

Mashable – Perhaps the best Gmail feature that Google has been testing for years is one you might not even know exists: Undo Send. It delays sending your email for a few seconds after you click Send, so you can take it back if you, for example, spell someone’s name wrong.

After the feature spent six years in public beta, Google announced in a blog post this week that Undo Send is becoming an official setting.

For users who already had the Undo Send beta enabled, the feature will remain on, and those who didn’t can turn it on via the General tab under Settings.

When it launched in 2009, Undo Send would delay sending your emails for five seconds, but it now lets users choose if they want to hold their mail for 5, 10, 20 or 30 seconds.

Read more: Mashable