Michael helps facilitate conflict resolution between Angela and Oscar over Angela's poster. Oscar vehemently dislikes the poster while Angela wants to put it up in her workspace to look at. Michael wants them both to compromise and gives creative ways to do so.
Tom favors one of the paintings over all others, but the other members of the team don't agree. Leslie solves the problem by creating a compromise: Tom will cut out his favorite shapes and put them on a collaborative that includes all of the art options.
In this clip, we see Andy's friend apologize for imposing what he thinks Andy should do in regards to his romantic life. This self accountability as well as Andy setting his boundaries are a good example of healthy communication and conflict resolution.