US GOVERNMENT & US HEALTHCARE VERSION (Standard version is also available). You need to have a Huddle account issued by your company in order to use this add-on.

Huddle is the easiest way to keep teams productive, clients engaged and content secure.

Features:
 - Save a copy of your Google Sheets directly to Huddle
 - Easily publish new versions of the document to Huddle
 - Colleagues working on the same document Google can see that there is a copy in Huddle.
 - Open the Huddle document from Google apps.
 - Unlink your Google document from its copy in Huddle