Yep. First party and well behaved third party Mac apps have been doing so since… jeez, 10.7 Lion (released in 2011) I think?
The way it works there is that documents are auto-saved to a non-volatile app-specific temp directory until they’re explicitly saved, at which point they’re moved to the specified location and continue to be auto-saved there. Anybody who uses TextEdit as a temp text stash is familiar with this with the hoard of unsaved documents that comes back even after a cold boot.
Microsoft is just motivated to push cloud storage onto usage.
The way it works there is that documents are auto-saved to a non-volatile app-specific temp directory until they’re explicitly saved, at which point they’re moved to the specified location and continue to be auto-saved there. Anybody who uses TextEdit as a temp text stash is familiar with this with the hoard of unsaved documents that comes back even after a cold boot.
Microsoft is just motivated to push cloud storage onto usage.