Natural Log 8 - Outlook 2016 Warning:
Natural Log 8 DOES NOT support Outlook 2016 to send email. It does support prior 32 bit Outlook versions.

Natural Log 9
Natural Log 9 DOES support all 32-bit Outlook versions, including Outlook 2015 and later to send email.

 If your Natural Log for DOS won't display in full-screen under Windows 98/Me/2000/XP
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