Steps to reproduce:
- Launch Word
- Create a New Document
- Display the "Mail Merge Manager" from the Tools menu
- Under "Select Document Type", click "Create New", select "Envelopes..."
- Stare in disbelief at the greyed out "Mail Merge..." button sitting in the dialog you got from the "Mail Merge Manger"
For example, as seen here: What am I doing so wrong as to cause this maddening enigma?
I seem to be using version 14.3.0, on a Core i5 iMac running 10.8.2.