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.
c828861690c7L_AttachEmbeddedFilesToTheEmailRegistry
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) = 0Policy 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.