Is your Oxfordlearn.com account locked?
Here is how you recover your account:
User accounts are locked after 10 unsuccessful attempts. This is a security measure to protect your account and your user information. It is fairly simple to recover your Oxfordlearn.com account
Contact customer support by writing to ELTsupport@oup.com. Locked accounts can be recovered only by the Customer Support (ELTsupport@oup.com).