Please Go to My Account and click 'Change Email Address' to do the operation:
From PC:
From APP:
Note:
1. If you have no access to the registered email address, please Contact our Customer Service Team for help.
2. If the email address to replace is occupied, It may be that this email has been registered with another account. You are suggested to change to another email on Alibaba.com.
If you still want to change to that occupied email, you could try todelete the account with that email address first and thenchange email address again.