Microsoft Office 2016 remains one of the most stable and widely used iterations of the productivity suite. Even with the rise of subscription-based models like Microsoft 365, many professionals and businesses prefer the "one-time purchase" nature of the 2016 Professional Plus edition.
Microsoft Office 2016 Professional Plus version is the original release build (RTM) from November 2015. It is primarily associated with Volume License (MSI-based) installations rather than the "Click-to-Run" versions used by Office 365. Key Build Details Version Number: 16.0.4266.1001. Release Date: November 2015.
If you have stumbled across a link for "Microsoft Office 2016 Pro Plus 16042661001," you are likely looking at the original release build
