From version 16.2.11, Primavera P6 now fully support Vietnamese language using Unicode character set.
If we don’t have Primavera in our laptop, we can install it following instruction here : https://doduykhuong.com/2016/06/11/how-to-install-primavera-p6-professional-16-1-stand-alone/
If we already had P6, we have to create a SQLite database. The above “How to install Primavera P6” article also show us how to create SQLite database.
You can use Window default program or UniKey to type Vietnamese character.
Most of the field support Vietnamese like : Activity, WBS, Project…
Some of the screenshot: