You can see exactly which retailers opened your campaign email — not just the total number of opens. Here's how to access the engagement breakdown.
How to view retailer engagement on given marketing campaign
Go to the Marketing tab and click Campaigns.
Find the campaign you want to review.
Click the ... (three dots) menu next to the campaign.
Select View.
Click "View Engagement" to see a list of retailers and their specific engagement with the email.
The engagement view shows you a breakdown by retailer, including which ones opened your email — giving you a clear picture of who engaged and who didn't.