How to add articles to multiple collections?

Hi @nora c​ , How are you?

Afraid it's not possible to assign an article to more than one collection. 

The best way to do this, copy the article and create a new one :/

Can you describe your use case? 

Here some helpful blog post about design help center articles:

https://www.intercom.com/blog/knowledge-base-best-practices//p>