Contact the person or company who sent you the file and ask them to send the dgnlstyle.shx file that was generated during their export.

This substitution often leads to:

If you cannot find the font online and are in a rush, you can map the missing font to an existing one by editing your acad.fmp (Font Mapping) file, though this may alter the visual appearance of the document. Conclusion

For AutoCAD to recognize the new font, you must close the program and restart it. 4. Verify Installation Open the drawing that was previously showing errors. The text should now appear correctly.

Understanding the DGNLSTYLE.SHX Font: Usage, Issues, and Missing File Solutions

Missing SHX dialog - but I have the SHX file - Forums, Autodesk

I’m unable to provide direct download links for (or similar .shx font files) because:

Installing an SHX file is straightforward. You cannot double-click an SHX file to install it like a normal Windows font (TTF). It must go into a specific folder.

You might find sites offering dgnlstyle.shx , but be careful:

from AutoCAD, which bundles all custom dependencies.

Here is a quick "paper" or guide explaining exactly what this file is, why it's missing, and how to fix it. What is it?

It is automatically created when a DGN (MicroStation) file is exported to a DWG (AutoCAD) format.