One of the most powerful additions to one’s computing arsenal that arrived in the early 2000s was automatic saving, particularly incremental saves that happened quietly and continuously. This means you don’t lose your work in progress between saves. But how can you bring back both explicit saves (Command-S or File > Save) and incremental automatic saves?
Apple offers a built-in feature for its document-focused apps, like Pages and Numbers, and a framework that some other developers tie into as well. You find it in File > Revert To > Browse All Versions. It resembles Time Machine, but doesn’t require that you are using a Time Machine backup.