My Puzzle Book GeneratorWorking in the editor1:00 video
Undo and autosave
Every change can be taken back. Hover over the undo arrow at the top, and it tells you what it will undo. Click it, or press Control Z. Redo puts it back, with Control Y. It goes back forty steps.
While you work, the app keeps a safety copy every two minutes. If your computer crashes, the start screen shows your book under Unsaved work. Click it to carry on where you left off.
The safety copy is a net, not a save. Click Save, or press Control S, to keep your book.
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