Double click to run it and add the values to the registry. Right click on the link and choose Save target as (IE) or Save Link As (Firefox). If you don't want to edit the registry, I have a ready-to-use registry file you can download and run. HKEY_CURRENT_USER\Software\Policies\Microsoft\Office\16.0\Outlook\DisabledCmdBarItemsList The specific key to disable Outlook 2016's Edit Message is (when it's the first command disabled): The Control ID value is stored in TCID n String values, where n is the order in which the command was entered. (Replace xx with the version of Outlook: Outlook 2016 is 16 Outlook 2013 is 15 Outlook 2010 is 14 2007 is 12.) The policy key that is used to lock out ribbon and toolbar buttons is stored in the registry at HKEY_CURRENT_USER\Software\Policies\Microsoft\office\xx.0\outlook\disabledcmdbaritemslist
Group Policy is not limited to use by network administrators.
