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Geoffrey NixGeoffrey Nix 

Trailhead Data Manager app is not in the app exchange. Where can I get this? Does it go by another name?

Rahul KumarRahul Kumar (Salesforce Developers) 
Hi Geoffrey, hope it helps.

Please mark it as best answer if the information is informative.so that question is removed from an unanswered question and appear as a proper solution.

Thanks
Rahul Kumar