Last Updated: Friday, July 12, 2013
found this helpful.
If you have a need to send emails using Outlook, and wish to limit the ability of the recipents so they cannot REPLY ALL, REPLY, or forward the message (you choose), you need to install a PLUG IN for Outlook.
1. Close OUTLOOK
2. Go to the web site http://www.groovypost.com/howto/microsoft/disable-reply-all-office-2010-outlook-exchange/ and download the addin
3. Install the addin according to instruction located at http://www.groovypost.com/howto/microsoft/disable-reply-all-office-2010-outlook-exchange/
4. Start OUTLOOK. These new buttons to DISABLE the ability for the recipient to reply, reply all, or forward and email will be available anytime you Create a new email