Disable "Do Not Forward?" RMS Template for Outlook/OWA?

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Carol Bailey wrote:

To clarify, the policy setting (and the https://docs.microsoft.com/en-us/information-protection/rms-client/client-admin-guide-customizations#hide-or-show-the-do-not-forward-button-in-outlook) removes the Do Not Forward button on the ribbon that gets installed with the Azure Information Protection client. It does not remove the Do Not Forward options from the Outlook menus (from File > Permissions, and from the Permissions button from the Options tab on the ribbon) or OWA..

 

I don't know how you could remove these additional Do Not Forward options.  If it is possible, it's an Office/OWA configuration.

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Carol thanks for replying. Our testing confirmed exactly what you said - the advanced client setting only removes the DNF option from the AIP section of the Outlook Ribbon but not the Permission Drop down menu. We worked with MSFT Support and they provided a registry key to grey out the DNF option in the Permission drop down however this is only available for PC's. They said there is no current method to make that option not available on a Mac but that they would entertain a feature request (perhaps through the user voice sites).

Here is the registry key for PC's

1. HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\DRM

14.0 = 2010

15.0 = 2013

16.0 = 2016

1. On the Edit menu, point to New, and then click DWORD (32-bit) Value. 
2. Type DisableDNF, and then press ENTER. 
3. In the Detailspane, right-click DisableDNF, and then click Modify. 
4. In the Value databox, type 1, and then click OK. 
5. Exit Registry Editor. 
6. If you previously disabled the Do Not Forwardcommand by using a Group Policy setting, remove that policy setting.