file is a "shape font" specifically designed to render Vietnamese characters and diacritics using efficient pen strokes rather than complex vector outlines. vn-vni.shx is Essential
“Your font is broken,” she said.
| Error Message | Probable Cause | Solution | | :--- | :--- | :--- | | when opening a file | The sender used the font, but you don't have it installed. | Download the font (sources above) and place it in your AutoCAD Fonts folder. | | Text shows Latin letters, no accents | You have the font, but you typed using Unicode (Telex) instead of VNI encoding. | Change your input method (Unikey) to "VNI" or re-type the text. | | Text shows "???" or random symbols | Font substitution occurred incorrectly. The drawing substituted vn-vni.shx for another font. | Close the drawing, install the correct font, then reopen. Use -STYLE command to remap. | | The font is slow in large drawings | Unlikely – SHX fonts are fast. If slow, you might be using a TrueType font by mistake. | Check your Text Style. |