Integrations (PTC products, 3rd party products and code) > 3rd party product integrations (CM, DOORS, Rose, Simulink and XML) > Configuration management tool integration > How to... > Manage packages > Comparing a Modeler package with its associated CM tool package (CM tool integration)
  
Comparing a Modeler package with its associated CM tool package (CM tool integration)
From Modeler, right-click the Package you want to compare, point to Tools > Configuration Management, and then click Diff.
Modeler opens the Model Differencer dialog. For more information about working with the Model Differencer dialog, click here
* 
To compare Packages, you require read access to the CM tool Package, and read access to the Modeler Package.
You can generate an xml difference report for a Package through the ModelDifferencer.exe application. For more information about creating xml difference reports, Generating XML difference reports