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Read EMail as plain text must be enforced.


Overview

Finding ID Version Rule ID IA Controls Severity
V-17770 DTOO214 SV-53867r1_rule Medium
Description
Outlook can display email messages and other items in three formats: plain text, Rich Text Format (RTF), and HTML. By default, Outlook displays email messages in whatever format they were received in.
STIG Date
Microsoft Outlook 2013 STIG 2017-03-17

Details

Check Text ( C-47908r1_chk )
Verify the policy value for User Configuration -> Administrative Templates -> Microsoft Outlook 2013 -> Outlook Options -> Preferences -> E-mail Options "Read e-mail as plain text" is set to "Enabled".

Procedure: Use the Windows Registry Editor to navigate to the following key:

HKCU\Software\Policies\Microsoft\Office\15.0\outlook\options\mail

Criteria: If the value ReadAsPlain is REG_DWORD = 1, this is not a finding.
Fix Text (F-46772r1_fix)
Set the policy value for User Configuration -> Administrative Templates -> Microsoft Outlook 2013 -> Outlook Options -> Preferences -> E-mail Options "Read e-mail as plain text" to "Enabled".