I'm sorry you're having an issue with not all the emails showing when you print. That is not what we want! My initial impression is you are printing the webpage of the contacts list. Depending on how many contacts you choose to display it might impact the number that will print out. For example, you might have 100 contacts who opened the email, but the list is only displaying the first 50.
If this is the case, I recommend exporting the file to a spreadsheet and then exporting the spreadsheet. This article will walk you through how to export the report.
Nick S. Social Media & Content Manager
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