"it won't happen simply cuz Deja Office is a 3rd party app"
by R. Proffitt - 10/16/12 8:46 AM
In Reply to: Android collect PIM data even when not using cloud? by dnetNuby
"it won't happen simply cuz Deja Office is a 3rd party app."
I'm unsure why you wrote that after I gave you a starter research link about how deep this rabbit hole is.
If you want to keep anything absolutely private you better not put it on any device such as you've listed so far.