October 26, 2023 | Category: CAD Resources
vnsimli.shx is a specific font commonly used for displaying Vietnamese characters
It is a "thin-line" font used to ensure Vietnamese text displays correctly without overlapping or appearing as garbled characters (question marks or boxes).
AutoCAD can substitute missing SHX files. When prompted, choose to map vnsimli.shx to a standard Unicode font: font vnsimli.shx download
If you have encountered a prompt stating that is missing, or if your Vietnamese text notes are displaying as question marks or gibberish, you are not alone. This article provides a deep dive into what this font is, why it is crucial for your workflow, where to find the font vnsimli.shx download , and how to install it correctly to resolve compatibility issues.
You have received a .dwg file from a colleague, a client, or a government agency in Vietnam. When you open the file, AutoCAD pauses and displays a dialog box: "Specify a font to substitute for VNSIMLI.SHX." If you choose a standard font like txt.shx or simplex.shx , the drawing may open, but all the Vietnamese text will likely be corrupted or replaced with standard Latin characters, rendering the notes unreadable.
Type STYLE in the command line. Look for "VNSIMLI" in the style list. Select it and preview "Tiếng Việt" – accents should appear correctly. October 26, 2023 | Category: CAD Resources vnsimli
As of 2025, many Vietnamese CAD professionals are transitioning to Unicode and TTF fonts (like Times New Roman or Arial) to avoid SHX compatibility issues. If you have control over your office standards, consider phasing out vnsimli.shx in favor of standard TrueType fonts.
Because this file is proprietary (often created by specific Vietnamese CAD distributors like or CADViet ), it is rarely included with official AutoCAD downloads. Hence, users turn to third-party websites.
The frantic search for a download link usually stems from one of three scenarios: This article provides a deep dive into what
This error usually appears when you receive a drawing from a Vietnamese firm or a contractor who uses specialized fonts for technical documentation. Without this file, your drawing will either show question marks ( ? ), blank text, or random characters instead of proper annotations.
| Issue | Solution | | :--- | :--- | | | The SHX expects text encoded in ANSI 1258 (Vietnamese). Your drawing uses UTF-8. Use WRITETEXT with encoding conversion. | | Duplicate style name | A style named "VNSIMLI" already exists but points to a different SHX. Purge the style first ( PURGE command). | | File permissions | AutoCAD cannot read the SHX if it's "blocked by Windows." Right-click the file > Properties > Unblock. | | ZIP corruption | The downloaded archive was corrupted. Request a fresh copy or compare file size (should be ~30-80 KB). |