Comparing Geometry in Creo View > Comparing Assemblies > Saving the Results
  
Saving the Results
1. Select Save Report.
2. In the Save Compare Report dialog box, type a name for the report and select OK. The comparison settings and results are stored as a report in the Compare pane of the primary navigation panel.
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When connected to Windchill, the Compare Report is saved as an annotation. Use the bottom right pane to select the object with which to save the annotation.