I may have a solution for your wife, at least. I think LibreOffice may have helpful built-in conversion software to save as different file types. It's free and open-source.

Unfortunately, our economic system is much more corporate fascism than free market. Big business has all the legal power, and banks determine how we may use our earnings. The government regulates everything to our detriment while eroding our wealth through inflation. It's irredeemable.