While there is no dedicated app that would copy over email engagement from Mailchimp to HubSpot you could use Outfunnel's free trial to do a one-off data import. Our HubSpot-Mailchimp integration is designed to sync email engagements over constantly but if you set up a new connection you could choose to do a one-off historic engagement sync. And - if ongoing sync is not relevant for you, you can just delete the connection after email engagements have synced over and let the free trial expire.
Each email activity recorded to a contact profile would not contain the email HTML but it would contain the name of the campaign.
I'd like to invite some Members to join the conversation: @AMarealle, @RFeehan and @Freccia, do you still use the Mailchimp integration? If yes, were you able to import the data on opens and clicks for emails that were sent out of MailChimp into HubSpot, on contact records, please?
I also wanted to invite a couple of subject matter experts to this conversation @johnelmer, @HFisher7 and @DanMYD, is there anything you'd like to add to help @JCrowNM, please?
If anybody else has anything to add and/or share, please feel free to join in the conversation 🙂