Aeccland.shx [extra Quality]
(which compiles to .shx):
Alternatively, choose Select simplex.shx or txt.shx as a temporary substitute.
The issue typically stems from software gaps or bad transmission habits between collaborators:
I’ll give you the complete, working solution based on your actual need. aeccland.shx
Instead of emailing a raw .dwg file, type ETRANSMIT in your command line. This utility automatically packages the drawing file alongside all external references (Xrefs), plot styles, images, and custom shape files—including aeccland.shx —into a single, clean ZIP folder. If you want to troubleshoot a specific setup, let me know: What are you currently running?
When you receive a drawing from a consultant or colleague, that drawing might contain custom linetypes or symbols that reference aeccland.shx . If your computer does not have this file in its AutoCAD search path, AutoCAD will alert you. Common causes include:
This article explains what aeccland.shx is, why it is necessary, how to fix the error, and how to prevent it in the future. What is aeccland.shx? (which compiles to
Another source of errors is a .lin file that references aeccland.shx without the proper syntax. Some users have found that including the .shx extension in the linetype definition—for example, [TREE,AECCLAND.SHX,s=.13] —resolves issues where the linetype fails to load or displays incorrectly.
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When opening a drawing received from a consultant or an archived project, encountering the dreaded warning often points directly to this file. Because aeccland.shx acts as an out-of-the-box infrastructure dependency, losing it breaks linetype rendering and causes symbols to show up as blank spaces or question marks. Understanding the Role of aeccland.shx If your computer does not have this file
Depending on whether you actually need to see the missing elements or just want to eliminate the annoying popup, use one of the following methods. Method 1: Ignore or Substitute the Font (Quickest Fix)
It sounds like you have stumbled upon one of the most important "hidden" tools in AutoCAD, particularly if you work in Civil 3D or Land Desktop.
Sometimes, it is not just aeccland.shx that is missing. For full compatibility, especially when using site-specific drawings from Carlson Software or older Land Desktop projects, you may need a set of files: The ASCII shape definition file. aeccland.shx: The compiled shape file (binary). aeccland.lin: The linetype definition file. Best Practices to Avoid Missing SHX Files
The missing aeccland.shx error in AutoCAD and Civil 3D occurs when legacy linetypes, such as hedges or tree lines, are used without the necessary shape file installed. Resolving this issue involves placing the aeccland.shx file in the Support File Search Path, using the