Comparing your email reports is quick and easy. You can see immediately which of your emails are performing well. You can even compare emails from different campaigns.
Go to Statistics > compare statistics. Click on the menus and select the campaign and email you want to compare. Click on the icon below the two menus to add another email to the comparison and enter the campaign and the email. Simply repeat this process if you want to add yet more emails to the comparison. Clicking the icon underneath the entry fields again will remove the email from the comparison.