Use Protected View for attachments received from internal senders

This policy setting allows you to determine if attachments received from senders within your organization open in Protected View. This setting only applies to Outlook accounts setup to use an Exchange server.

If you enable this policy setting, attachments received from senders within your organization open in Protected View.

If you disable or do not configure this policy setting, attachments received from senders within your organization do not open in Protected View.

Supported on: At least Windows 7

Registry HiveHKEY_CURRENT_USER
Registry Pathsoftware\policies\microsoft\office\15.0\outlook\security
Value Namemarkinternalasunsafe
Value TypeREG_DWORD
Enabled Value1
Disabled Value0

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