Files dragged from an Outlook e-mail to the file system must be created in ANSI format.

Overview

Finding IDVersionRule IDIA ControlsSeverity
V-223350O365-OU-000005SV-223350r961863_ruleCCI-000366medium
Description
This policy setting controls whether e-mail messages dragged from Outlook to the file system are saved in Unicode or ANSI format.
STIGDate
Microsoft Office 365 ProPlus Security Technical Implementation Guide2025-03-05

Details

Check Text (C-223350r961863_chk)

Verify the policy value for User Configuration >> Administrative Templates >> Microsoft Outlook 2016 >> Outlook Options >> Other >> Advanced >> Use Unicode format when dragging e-mail message to file system is set to "Disabled". Use the Windows Registry to navigate to the following key: HKCU\software\policies\microsoft\office\16.0\outlook\options\general If the value for msgformat is set to REG_DWORD = 0, this is not a finding.

Fix Text (F-25011r442270_fix)

Set the policy value for User Configuration >> Administrative Templates >> Microsoft Outlook 2016 >> Outlook Options >> Other >> Advanced >> Use Unicode format when dragging e-mail message to file system to "Disabled".