Policy
Attach embedded files to the email message as separate files
This policy setting allows you to configure the "Attach embedded files to the email message as separate file" option found under File tab | Options | Advanced | E-mail sent from OneNote. If you enable or do not configure this policy setting, embedded files are attached to the email message as separate files. If you disable this policy setting, embedded files are not attached to the email message as separate files.
c828861690c7 L_AttachEmbeddedFilesToTheEmail Registry
Copy registry mappings
HKCU\software\policies\microsoft\office\16.0\onenote\options\email embedded files (enabled) = 1
HKCU\software\policies\microsoft\office\16.0\onenote\options\email embedded files (disabled) = 0 Policy notes
This policy setting allows you to configure the "Attach embedded files to the email message as separate file" option found under File tab | Options | Advanced | E-mail sent from OneNote. If you enable or do not configure this policy setting, embedded files are attached to the email message as separate files. If you disable this policy setting, embedded files are not attached to the email message as separate files.