Do you really think this will be useful for tax prep:

More Efficient Inventory Viewing System

I logged into the Developer's resources for you and there is nothing like that described for us or our clients, that would need to be done. Further, I've never seen anything named like that. The resources there include Lacerte SDK (software developer's kit) and resources, and I checked this specifically and the QB Online stuff.

I declare it bogus, and stay away. Don't click, call or download.