How can I find out how many recipients have viewed a campaign event?

To view the history of a campaign event:

1. Click Campaigns in the main menu at the top of any page.
   
   
   
   
2. Choose the campaign for which you want to view the history, under My Campaigns.
   
   
   
   
3. Click on History.
   
   
   
   
4. Locate the event you want to view the history of and click Details in the right-hand column.
   
   
   
   
5. View details about the campaign event, a summary of activity, and a list of recipients with details.  You can sort the list by clicking on the up/down arrows at the top of each column.