What about sharing links to files in proton drive?
Would You Violate a Client NDA Without Knowing It?
You Probably Already Did.
That NDA you signed? Worthless if your stack is betraying you.
You didn’t leak anything. You didn’t post it online. You didn’t even share it.
But your default tools did.
https://untraceabledigitaldissident.com/would-you-violate-a-client-nda-without-knowing-it/
Discussion
Viable option but at the expense of control over your files.