How does that work for most people? Are they organizing the files on a traditional file system or clicking on an icon in the message to open them or picking upl

How does that work for most people? Are they organizing the files on a traditional file system or clicking on an icon in the message to open them or picking uploads from a selector which blends cloud and and app boundaries? Based on my wife’s school and the one our son attends, a LOT of the areas which used to expose file system behavior have been removed or significantly de-emphasized.