Microsoft Office version was a specific update released in August 2022 for Mac users. This build was primarily distributed as a .dmg file for manual installation or via the Microsoft AutoUpdate (MAU) tool. Overview of Version 16.64 (22081401)
Current versions of Office (16.78+) now require a minimum of macOS Monterey or later to install. Installer Microsoft Office For MacOS - GitHub Microsoft Office 16.64.22081401.dmg
According to the Official Office for Mac Release Notes , this specific build addressed several user-reported issues: Microsoft Office version was a specific update released