The level of Orwellian surveillance that will exist under Technocracy in the G7 countries will be such that these countries will restrict emigration from their countries to their citizens.
The third world will be an agorist paradise, not because there is no technocracy and surveillance, but because the resources of weaker states make controls more permeable.
LibreOffice says your documents should survive for 'generations'
"Digital documents in proprietary formats often become inaccessible within a few years due to undocumented changes to the XML schema that are intentionally employed for lock-in purposes.
To avoid this problem, it is advisable to use the Open Document Format (ODF)”