Gmail allows you to recover deleted emails on a computer or mobile device within 30 days.Getty Images You can recover deleted emails in Gmail for up to 30 days before they are permanently deleted. To restore a message, just find it in the Trash folder and use the Move or Move To command to put it elsewhere. If you are an admin, you may have an additional 25 days to recover a message from the Admin console. Visit Insider's Tech Reference library for more stories. When you delete a Gmail message, it's not gone instantly.