Some personalization tags will not work with test emails because there are no data values to be inserted.
To preview a personalized email for a contact:
1. Go to the Campaign Summary step of the campaign creation process
2. Click "Desktop Preview."
3. A preview of the campaign will open.
Type a contact's email address into the email address field located on the top right:
4. Click the "Preview" button.
The preview will reload and will display how the email will look to the contact once it is sent.