: As the base RTM build, it is generally stable for basic tasks but lacks the refinements of later service updates. Users on this build often report issues—such as OneNote syncing errors or Outlook add-in compatibility—that were only resolved in later patches like 16.0.4600 or higher.
As the highest-tier suite available in 2016, Professional Plus includes: Office 2016 Version Number - Spiceworks Community Microsoft Office 2016 Pro Plus 16.0.4266.1001 VL X64
As a Volume License build (16.0.4266.1001), this is a specific snapshot in time. : As the base RTM build, it is