I highly recommend Tresorit. I've been using it for just over a year and couldn't be happier. Simple interface and the app seems very performant (macOS). At lea

I highly recommend Tresorit. I've been using it for just over a year and couldn't be happier. Simple interface and the app seems very performant (macOS). At least I haven't noticed it hogging resources. https://tresorit.com/ https://tresorit.com/