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Yes it's possible by using the cloning forms feature (it will create a copy of an existing form).
You can find a guide on how to clone a form from your account here: http://www.jotform.com/help/27-How-to-clone-an-existing-form-from-your-account
And how to clone a form from a web page here: http://www.jotform.com/help/28-Cloning-a-Form-from-a-Web-Page
Please let us know if this works for you.