You will need to go back to court to force him to turnover the documents he agreed to in the MSA. The request is callled a Petition for Rule to Show Cause. You should have an attorney help you. The court can order him to pay some or all of your attorney fees for having to go back to court. Sometimes just the threat or a letter from an attorney can get him to comply.
For informational purposes only. Not legal advice.
Sign up to receive a 10-part series of useful information and legal advice about the divorce process.