Use Protected View for attachments received from internal senders
- Policy ID
- L_UseProtectedViewForAttachmentsReceivedFromInternalSenders
- Scope
- User Configuration
- Supported on
- At least Windows Server 2008 R2 or Windows 7
- Source
- Microsoft 365 Apps / Office Administrative Templates (version 5568.1000)
- Category
- Microsoft Outlook 2016 › Security
Description
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.
Registry
UserHKEY_CURRENT_USER
- markinternalasunsafeREG_DWORD