To transfer your community achievements and activity from a duplicate account, start by logging in to your community profile.
Access the Settings area and then choose the Merge Accounts option.
1. To move your certification, you need to be signed into the account that you want to keep. You’ll keep this account, and the certification from the duplicate account will be moved to this one.
2. Enter the email address and password of the duplicate account. This lets us know you own the account.