After installing the Mail Merge Toolkit, a new menu should appear in the Mailings Tab in Microsoft Word and Publisher.
Unfortunately, in some rare cases, this might not happen.
Usually, all you need to do to fix this - is to restart the Microsoft Office application.
But, if that does not help, additional steps are required to enable the add-in, manually. This video will guide you through this process.
Mail Merge Toolkit: https://www.mapilab.com/outlook/mail_...
00:00 Introduction
00:12 Troubleshoot
00:32 Enable in Word, Publisher, Outlook