When using MailMerge from Word using HTML, the email does not send or user experiences word freezing problem.
DLP Endpoint Release : 16.0.x, 16.0, 15.8 MP1
This is a product defect caused due to a conflict when Print Monitoring channel is ON.
The issue has been fixed in Public Hotfixes.
Since Endpoint Agents have cumulative fixes applied, the latest public hotfixes in each branch will contain the fix for this issue:
Below summarizes the issue as given in the 16.0.1 Release Notes (Issue ID CRE-15192):
On Windows endpoints, print monitoring Microsoft Word documents caused failures with the following third-party application features:
For a complete list of Endpoint Agent builds and public hotfixes, please see DLP Endpoint Agent build numbers and latest hotfix information (broadcom.com).