Sure, then you can start libreoffice calc and go up to around 1g of ram and close to 0% CPU anyway.
My point wasn’t on exact numbers because obviously the ones in the image are made up, unless that excel file is a monster of macros, VBA scripts and connections to numerous data lakes.
It’s not needed.
If another law says you have a right to create backups of digital content you own, then two laws are in conflict. Why would dcma have precedence?
No idea about US, but in some countries it would be up to judges, and with enough rulings it would be settled one way or another.