Just like in VSTO, we need an ExecuteMso solution to replicate native button commands in Office.js to fill in the gaps of Office.js
Russell Proctor
Dec 21, 2021Brass Contributor
Previous uservoice post:
officespdev.uservoice.com/forums/224641-feature-requests-and-feedback/suggestions/13795608-invoke-built-in-ribbon-commands-from-javascript