To convert OneNote files to various formats, like PDF, HTML, DOC, BMP, PNG, XLS, and many more, use CubexSoft OneNote Converter. This tool can  convert several.one files to another format in one go. Additionally, the program is compatible with all versions of Windows, including Windows 10, Windows 11, and others. And, 5.one files can be converted for free using the tool's demo edition.