Extend Outlook Autosave to include encrypted e-mail messages
Supported on: At least Windows Server 2008 R2 or Windows 7
Registry
HKCU
software\policies\microsoft\office\16.0\common\mailsettings Value name: allowautosavecryptomail
Enabled: allowautosavecryptomail = 1
Disabled: allowautosavecryptomail = 0
Description
By default, Outlook does not automatically save copies of unsent e-mail messages that are encrypted. You can enable this setting so that Outlook autosaves unsent encrypted e-mail messages to the user's Drafts folder.