Architecture: Where are the acad.ctb and acad.stb Plot Styles?

May 21, 2026 Jeff Arbogast

Issue:
Architecture: Where are the acad.ctb and acad.stb Plot Styles?

Causes:
By Design


Solution:
The acad.cfb and acad.stb files are for the core installation of AutoCAD. These files are not installed with Architecture. If you would like these files you will need to copy them from an AutoCAD core installation.


Using 2027 as an example

  • On a system with a Core install of AutoCAD go to C:\Users\kalanis\AppData\Roaming\Autodesk\AutoCAD 2027\R26.0\enu\Plotters\Plot Styles
  • Copy the files from this location then copy them into c:\ProgramData\Autodesk\ACA 2027\enu\Plotters\Plot Styles.

The Plot Styles will now show up in your Architecture.

About the Author

Jeff Arbogast

Manufacturing Solution Center Team Lead<br><br>Jeff is responsible for manufacturing Technical Support for both internal staff and customers. In addition to the daily activities of the support center, he helps write for the National Support Center blog, and has written online classes for the IMAGINiT training on demand site.

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