1. The Data Merge feature is under Windows>Utilities>data merge
2. The predesigned templates are no more available with the Indesign cs5 and cs5.5 , You can downloador buy the the pre-designed template from
below the mentioned link:--
Just wanted to say THANK YOU! for you quick reply and assistance. I completely missed the submenu for data merge.
Visited your web site and bookmarked it immediately. Great information, should have discovered this earlier. Many thanks for your help and assistance.