OperaFly is an free & easy to use Windows utility, that backup your Opera preferences. You can either install OperaFly to your PC or just unzip the no-install version and click the OperaFly.exe icon. The program will try to detect your Opera installation directory, and then you can select which aspects of your profile you want to backup. Want to save your bookmarks, but not your cookies? No problem. Your settings will be saved in an FLY file, which you can then use to restore your settings.
Source:→ Dwonload SquadOpera, Browser, Utility, Backup