Link to url, not pdf, is possible?

Hello and thank you for your time. I wanted to know if there is a plugin or another system to ensure that instead of opening a pdf file inside an article, you can insert a link to a flip-book on another of our portals.
I’ve searched the forum but haven’t found anything.
can you help me?
thank you all

ok solved.
i found the correct galleys.
link to external

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