What free tools have you so far tried? Someone here 'might' be able to offer further advice.
Though I fear you have probably lost most, if not all, of your stuff. I guess a costly lesson re: Backups, has be learned!
Samsung Galaxy S8 review
1995-2015: How technology has changed the world in 20 years
This poetic animation about monsters is illustrated in a Van Gogh painterly style
Apple predictions 2017
Synology invites you to visit them at Insomnia on 26th – 29th August. Book your tickets now and visit Synology.