Office for Mac uses a unique versioning scheme. While the marketing name is "2019," the actual build numbers started at 16.17. Version 16.33, released in mid-2020, represents a significant refinement phase. It was the first build that truly stabilized the Ribbon interface on macOS, squashed the majority of the Catalina compatibility bugs (64-bit only), and optimized memory usage for Retina displays.
Installing the Volume License (VL) version differs slightly from standard retail. Follow this process carefully. Microsoft Office 2019 for Mac 16.33 VL Multilin...
Do not stay on 16.33. Immediately update to the latest 16.7x branch via AutoUpdate to apply 4 years of security fixes. Office for Mac uses a unique versioning scheme