How to Back Up Your Opera Mail Messages and Settings

Silent springs, rhyme French owners of pocket knifes from the Auvergne, live longer: "ressort silencieux vivra vieux".
When a beautiful and functional Laguiole knife snaps shut, its blade could be hurt (were there no spring stopper to protect it). So, the respectable Laguiole owner will use two hands and much care to shut the knife.
Opera has a spring stopper to protect your emails from harm, of course. The respectable owner will use two hands and much deliberation, though, to create another layer of safety:
›› Want to make sure you can recover your Opera email accounts, settings, folders and messages? Here's how to create a backup copy of Opera mail for recovery or moving to another computer.