To create a follow up email campaign, open the campaign and then lick on Clone and select one other options:

1. Create an email campaign with all recipients
2. Create an email campaign with recipients who did not open an email
3. Create an email campaign with recipients who opened an email but not clicked on any link
4. Create an email campaign with recipients who clicked on at least one link
5. Create an email campaign with recipients who replied
6. Create an email campaign with recipients who did not reply