To use this font, you must place it in the specific directory where AutoCAD looks for support files: How to install a font for AutoCAD - Cadac Group

First, let’s look at the extension. stands for SHape indeX . Unlike standard fonts (like Times New Roman or Arial) which are vector outlines used by Windows, SHX fonts are compiled shape definition files used exclusively by Autodesk products (AutoCAD).

The file VN-VNI.SHX is a copyrighted font file. However, it is widely shared within the Vietnamese engineering and architecture community.

Before diving into the Vietnamese aspect, we must understand the container. In AutoCAD, .SHX (Shape File) fonts are not the same as TrueType fonts ( .ttf ).

Do you need on how to install this specific font in AutoCAD, or