EncryptOnClick - https://www.2brightsparks.com/onclick/index.html

2 Bright Sparks makes some wonderful utilities! one of them is EncryptOnClick.  Download this, encrypt your important data (Like PK12 and YAML files).  I've use this for over 10 years and never had an issue with it.  Just don't forget that password!

https://www.2brightsparks.com/onclick/index.html