New formulas and 2D map charts for better data visualization.
This is the version number. In early 2019, Microsoft updated Office for Mac to version 16.23, which introduced several new features and security patches. Microsoft Office 2019 16.23 DC 27.03.2019
Improved transition effects for smoother presentations. New formulas and 2D map charts for better data visualization
It is important to note that . Update history for Office for Mac - Office release notes Microsoft Office 2019 16.23 DC 27.03.2019
In the context of this specific release string, "DC" likely refers to the Distribution Channel or Download Center , signifying this was a standalone installer version rather than a subscription-based "Office 365" update.