If you want to reopen a divorce in Massachusetts, there are a few things you need to do. First, you need to file a motion with the court that granted your divorce. In this motion, you must explain why you want to reopen the case and what new evidence or arguments you have. You also need to provide copies of any new documents related to your request. Once the court reviews your motion, they will decide whether or not to grant it. If they do, then your case will be reopened and you can proceed with your argument.