Many of us have come to rely on the Ctrl+Z (Windows) or Cmd+Z (macOS) undo shortcuts to get us out of trouble when a key tap accidentally wipes out three hours of writing or a misplaced click has suddenly turned a photo entirely green. But if you need to retrace more of your steps over a longer period of time, you’ve also got options. This feature is technically known as file versioning, and it keeps old versions of files available…
