You’ll likely need subpoena to gain access to the records. The issue will be does the service provider have access to the deleted messages? You may be dealing with a unscruplous party and should take every measure to protect yourself and obtain all assets you are entitled to retain. I recommend scheduling a free consult with one of our family law attorneys ASAP. Schedule online here: /contact/make-an-appointment/ Or Call 303-688-0944 and ask for a free case assessment with the first available family law attorney.