FileMagic is designed to be simple and intuitive, even when opening technically complex file types like B1F. Users can simply drag the file into the FileMagic window or double-click the B1F file to launch it, provided FileMagic is set as the default viewer. https://www.filemagic.com/en/uncommon-files/b1f-file-extension/the-four-best-ways-to-open-b1f-files/