Event: In March 2020, OneNote 2016 returns to Office 365, Office 2019
In 2019, Microsoft removed OneNote from Office 365 and Office 2019.
That is, installing Office 365 and Office 2019 is not available for OneNote.
It need to additional downloads of the OneNote 2016 installation, see the link below for details.
How to Install OneNote 2016 from Office 2019 or Office 365?
On March 15, 2020, OneNote 2016 returned to Office 365, Office 2019.
When you install Office 365 or Office 2019, OneNote 2016 will be installed together.
The OneNote installed from Office 365 or Office 2019 is still 2016.
That is, installing Office 365 and Office 2019 is not available for OneNote.
It need to additional downloads of the OneNote 2016 installation, see the link below for details.
How to Install OneNote 2016 from Office 2019 or Office 365?
OneNote 2016 is Back in Office
On March 15, 2020, OneNote 2016 returned to Office 365, Office 2019.
When you install Office 365 or Office 2019, OneNote 2016 will be installed together.
Office 365, Office 2019 installed with OneNote 2016
The OneNote installed from Office 365 or Office 2019 is still 2016.