GPO tool

Group Policy made searchable

A free ADMX browser or comparison tool for IT administrators.Search policies, find registry keys, and see exactly what each setting writes to the Windows Registry. Or compare two GPO backups to see exactly what has changed between them.

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Block Trusted Zones

This policy setting controls whether pictures from sites in the Trusted Sites security zone are automatically downloaded in Outlook e-mail messages and other items.

If you enable this policy setting, Outlook does not automatically download content from Web sites in the Trusted sites zone in Internet Explorer. Recipients can choose to download external content on a message-by-message basis.

If you disable or do not configure this policy setting, Outlook automatically downloads content from Web sites in the Trusted sites zone in Internet Explorer.

Registry Information

VendorMicrosoft
ProductMicrosoft Outlook 2016
CategoryMicrosoft Outlook 2016 › Security › Automatic Picture Download Settings
Applies toUser Configuration
Supported onWindows7
Registry Key[HKCU]softwarepoliciesmicrosoftoffice16.0outlookoptionsmail
Value Nametrustedzone
TypeREG_DWORD
Enabled value0
Disabled value1

Registry File (.reg)

Windows Registry Editor Version 5.00

; Enable the policy
[HKEY_CURRENT_USERsoftwarepoliciesmicrosoftoffice16.0outlookoptionsmail]
"trustedzone"=dword:00000000

; Disable the policy
[HKEY_CURRENT_USERsoftwarepoliciesmicrosoftoffice16.0outlookoptionsmail]
"trustedzone"=dword:00000001

PowerShell

# Enable the policy
Set-ItemProperty -Path "HKCU:softwarepoliciesmicrosoftoffice16.0outlookoptionsmail" -Name "trustedzone" -Value 0 -Type DWord

# Disable the policy
Set-ItemProperty -Path "HKCU:softwarepoliciesmicrosoftoffice16.0outlookoptionsmail" -Name "trustedzone" -Value 1 -Type DWord