This section explains you how to optimize migration from CATIA V4 to CATIA V6.
Optimizing V4 Migration: Deactivation of the No Show Filter Copy/Paste Details and Dittos: Force Detail to Explode Copy/Paste Solids: Interactive Multi-Copy/Paste As Result With Link Evaluation of the V4 Sketch before applying Constraints Sweep Migration Optimization Sewing Migration on a New Sewing Feature Cleaning and Simplification of V4 Data