Thank you Bruce!
I’d like to add that concerning HIPAA compliance, we know that AxCrypt is part of several health care organizations technical safeguards in order to ensure compliance with the HIPAA Security Rule. So, it can be used in organizations requiring HIPAA compliance. But, it’s not the software that is compliant, and it can’t be said to be.
Also, while Microsoft Office documents can be encrypted properly today, it’s really not easy as a layman to know if this is really the case for a particular use case. To illustrate, read https://technet.microsoft.com/en-us/library/cc179125%28v=office.16%29.aspx .