The "aeccland.shx" file appears to be related to AutoCAD, a popular computer-aided design (CAD) software.

An SHX file in the AutoCAD ecosystem is a "compiled shape" file. Unlike standard fonts (TTF), SHX files are used to store: Specialized Fonts : Vector-based text styles. Linetype Shapes

If you are looking at this file because you are missing it, you likely need to install the AutoCAD Civil 3D Object Enabler or copy the file from a colleague's C:\Program Files\Autodesk\AutoCAD 20xx\Fonts folder.

I’ll give you the complete, working solution based on your actual need.

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