Word Templates in GP and associated bookmarks are a black hole to most users. Find out how to get more out of Word templates at:
community.dynamics.com/gp/b/dynamicsgp/posts/what-are-bookmarks-and-how-are-they-used-in-microsoft-dynamics-gp-s-word-templates
What are bookmarks and how are they used in Microsoft Dynamics GP’s Word Templates? – Microsoft Dynamics GP Community
Excel & OfficeMicrosoft & the GP Ecosystem
Archived post from 2019. Dynamics GP and the links it points to have changed since; check current documentation before relying on version-specific steps.