When you merge models, you can accept or reject any differences from a version of a model.
To accept or reject a difference from a version of a model, in the Structural Differences view, right-click a difference; then click one of the following items:
Parent topic: Merging versions of a model to resolve conflicts
Related concepts
Conflicts between versions of a model
Related tasks
Resolving all conflicts between versions of a model
Resolving specific conflicts between versions of a model