Automatic Backup lets you back up the latest three calculators after saving. To use this feature, you should go to the Backup Settings tab in the Global Settings:
This way, you will turn on the Backup settings for all calculators. This is how it will look on the calculator page:
You restore the previous versions by clicking the “Restore” button on the “Clock” icon.
Take note: All changes made and saved in the Fields and Conditions can be restored. But you can't restore adjustments made in the Appearance section.