We are leaving this post open for the feature request of uploading a list of registrants.
In regards to the request for emailing guests as well as registrants, we are unable to support this feature for compliance reasons. Guest information is entered secondhand by different individuals. For this reason, we are unable to confirm that the guests have opted in to receive messages.
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Hello @ChadC31 ,
There's nothing we've explicitly developed with Microsoft Dynamics 365. You may be able to find a 3rd party-developed app in the Integrations tab of your account, or through an internet search. Apps & Integrations
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