Creo ModelCHECK > Configuring PTC Creo Modelcheck > Setting Up the Start Configuration File > Setting Up External Files > To Manually Set Up the External Files
  
To Manually Set Up the External Files
1. Open the file using a text editor. By default, external files are located in <creo-loadpoint>/modchk/text/<language>/config/text.
2. Add the contents in the appropriate format.
3. Save the file with the appropriate extension.