Hi Posani Charitha ,
If you can’t find it, please check your SPAM folder, since it may be there. In case you still can’t find it, open a training support case requesting to resend the confirmation email, sharing your name, email, and exam you registered too. The team will give you all the details.
support link : https://www.outsystems.com/SPP_Ticket_UI/open-support-case
hope it help you
Thanks