Hi Steve,
Thank you for your interest in Syncfusion products.
1.Support for IF THEN mail merge fields This issue has been confirmed as a feature request and we have logged a request in our feature management system. We will get back to you once this feature is implemented
2. Mailmerge MergeField event, not fires on MailMerge.ExecuteI am afraid that I was not able to reproduce the issue. If fires for MailMerge.Execute also.
Here is the sample that I have used to test this issue:
http://websamples.syncfusion.com/samples/DocIO.Windows/F72376/main.htm Please take a look into the sample and modify the sample to reproduce the issue. Please let me know your Essential studio version and your system configuration to reproduce the issue.
Please let me know if you have any questions.
Best Regards,
Bhuvana