Suggestions Needed for Error with Email Statistics

I noticed that there is data for desktop and phone interaction for individuals who supposedly did not open their email. I don’t want to send follow-up emails to those who already opened their first email. Any workaround or resolution to be had?

I noticed that there is data for desktop and phone interaction for individuals who supposedly did not open their email. I don’t want to send follow-up emails to those who already opened their first email. Any workaround or resolution to be had?

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