Files dragged from an Outlook e-mail to the file system must be created in ANSI format.
Severity | Group ID | Group Title | Version | Rule ID | Date | STIG Version |
|---|---|---|---|---|---|---|
| medium | V-223350 | SRG-APP-000516 | O365-OU-000005 | SV-223350r961863_rule | 2026-02-12 | 3 |
Description
This policy setting controls whether e-mail messages dragged from Outlook to the file system are saved in Unicode or ANSI format.
ℹ️ Check
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
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".