This looks really good, but two things would be helpful to know before splashing out. Can any amount of hacking get it to do full disk encryption (without losin

This looks really good, but two things would be helpful to know before splashing out. Can any amount of hacking get it to do full disk encryption (without losing redundancy), and is it sufficiently fool proof for my non-tech-savvy 80-year-old parents who use only windows?