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Hi. You can't change the domain, you have to create a new campaign: From the FAQ: https://seomoz.zendesk.com/entries/20027997-lesson-1-campaign-set-up Q.  Can I change the domain later? A.  You cannot change the domain of a campaign once it is created. If you need to track content, rankings, etc. on a new subdomain or domain, you must create a new campaign.  Don’t panic – archiving and adding campaigns is easy.

Thank you!

Thank you! Sorry for the late reply. It does help.