How to restore a previous version of your Pages, Keynote, and other documents in macOS

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 developer