Personalizzazione di base > Windchill Customization Basics > Managing Customizations > Best Practices for Customizing Files Supplied by PTC > Managing codebase Property Files
  
Managing codebase Property Files
In most cases, the property files (*.properties) in the codebase directories should only be modified by using PTC tools, and never manually edited. This is a major change from previous Windchill releases, where editing property files was very common. There are two key points regarding property files:
Use either the xconfmanager utility to make property file changes. Additional information on these topics is covered in the next two sections.
When you cause a property file to be changed, you may need to update downloadable client JAR files. Make sure to consult Managing Client JAR Files.
Manipulating Property Files
Best Practices for Customizing Files Supplied by PTC