How to export notes from Mac Notes.app and import into OneNote?

Question:

How can I export all notes from Mac Notes.app and import into OneNote?

Answer:

Need 2 steps.

Step 1:
In Mac OS, install "Notes Exporter" to export all notes from Mac Notes.app. Exporter will create folders and export all notes to plain text files.

Step 2:
In Windows System, install "OneNote Batch", and use "Import Folder" feature to import these plain text with folders into OneNote.