VERIFIED SOLUTION i

Resolve OfficeMail OFMA 3.7 Printer Driver failed to identify correct number of mail sets

Issue

Mailmerge has 10 mailpieces, but OFMA3.7 Printer Driver only detected 9 mailpieces

Cause

OFMA 3.7 Printer Driver failed to identify mailmerge correctly

Resolution

UPDATED: March 24, 2017
OFMA3.9.0.4 has fixes around this topic.
Please upgrade and test if this solve the problem.
If not, please report it to support team along with the mailmerge doc in concern.
Environment Details