AutoCAD

How To Fix Missing Shx Files In AutoCAD?

Understanding Missing SHX Files in AutoCAD

Missing SHX files can lead to display issues or errors when working on your AutoCAD projects. SHX files are essential as they contain the shapes or fonts used in various drawings. Addressing missing SHX files is crucial for ensuring that your text and geometries appear correctly.

Steps to Identify Missing SHX Files

  1. Access Options: Open AutoCAD and navigate to the options menu. You can access this by typing OPTIONS in the command line or finding it in the application menu.

  2. Navigate to System: Within the options dialog, head to the ‘System’ tab.

  3. Check General Options: Look for ‘General Options’ and then proceed to ‘Hidden Messages Settings’.

  4. Enable Missing Messages: Find the option for ‘Missing SHX Files’ and make sure it is checked. This setting will notify you whenever an SHX file is missing, making troubleshooting easier.

How to Replace Missing SHX Files

  1. Locate Compiled SHX File: If you have access to the original SHX file, locate it on your computer.

  2. Importing the SHX File:

    • Open AutoCAD and navigate to the command line at the bottom.
    • Type SHAPE and hit Enter.
    • Input the name of the shape as it was originally defined in the missing SHX file and press Enter again.

    AutoCAD should then import the selected SHX file, allowing you to replace the missing reference.

Ignoring Missing SHX Files

In situations where you wish to proceed without resolving the missing SHX files, follow these steps:

  1. Check FONTALT Variable: Begin by inspecting the FONTALT variable in AutoCAD.
  2. Adjust FONTALT: Type FONTALT in the command line and set its value to a period (.). This effectively disables the alternative font setting that may be suppressing notifications regarding missing SHX files.

Installing SHX Files in AutoCAD

  1. Locate the Font Directory: Go to the installation directory, typically found in C:\Program Files\Autodesk\AutoCAD 2025\Fonts.

  2. Copy SHX Files: Obtain the required SHX files, either from another installation or downloaded from a reliable source. Copy the SHX files into the Fonts folder. Note that administrator privileges may be necessary for this action.

  3. Restart AutoCAD: After copying, restart your AutoCAD application to refresh the font list, ensuring that your newly added SHX files are recognized.

Finding Missing Text in AutoCAD

  1. Command Entry: Enter the command STYLE in the AutoCAD command line.

  2. Review Text Styles: In the text style dialog, check for any fonts that are marked as missing.

  3. Installation of Missing Fonts: If you identify any missing fonts, you can either reinstall them from another location or redownload them from their original source.

Using SHX Files in AutoCAD

  1. Opening a SHX File: Double-click the specific SHX file you wish to work with.

  2. Executing the Command: In the command bar, type SHAPE and press Enter.

  3. Enter Shape Name: Input the name corresponding to the shape you need and press Enter again to load the SHX file into your drawing.

FAQ

Q1: What types of content are typically contained in SHX files?
A1: SHX files usually contain font definitions as well as shape definitions for displaying custom text and graphic elements within AutoCAD.

Q2: Can I convert other font types into SHX format?
A2: Yes, it’s possible to convert TTF (TrueType Font) files into SHX format, although the conversion would typically require manual methods using specific software tools or command line processes.

Q3: What precautions should I take before deleting SHX files?
A3: Before deletion, ensure that you review any drawings referencing the SHX file. It’s advisable to change linetype assignments or remove the elements that depend on that SHX file to prevent potential data loss or errors in your drawings.

About the author

Wei Zhang

Wei Zhang

Wei Zhang is a renowned figure in the CAD (Computer-Aided Design) industry in Canada, with over 30 years of experience spanning his native China and Canada. As the founder of a CAD training center, Wei has been instrumental in shaping the skills of hundreds of technicians and engineers in technical drawing and CAD software applications. He is a certified developer with Autodesk, demonstrating his deep expertise and commitment to staying at the forefront of CAD technology. Wei’s passion for education and technology has not only made him a respected educator but also a key player in advancing CAD methodologies in various engineering sectors. His contributions have significantly impacted the way CAD is taught and applied in the professional world, bridging the gap between traditional drafting techniques and modern digital solutions.