Hello. The way Constant Contact records an individual contact is by their email address so it should not be possible to have more than one of the same email address in the account. They may appear in multiple lists, but they should not be duplicated in the system. If this is happening, please send us your username at social_support(at)constantcontact(dot)com so we can take a look at what is going on. As for your question, if they do somehow have the same email address in your contacts multiple times, searching for that address should yield results for any and all duplicates. As for your question about opens, these stats are all based on who the email was originally sent to. So if you send an email to John and he forwards it to Steve and Steve opens the email, it's still going to be viewed as an open by John, not Steve.
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