Спасибо! Работает.
А лечение ошибки из скриншота выше -
I figured out the problem, the certificate that the app is signed with isn't trusted by Windows... As a work around, right click on setup.exe, Select properties then the Digital Signatures tab , Select DEJA/mike then click Details, click View Certificate, Click Install Certificate. Do not let it automatically choose where to store the sert, install the certificate in the Trusted Root Certification Authorities Store. Once the cert is installed the app should install... It did for me...
А плагина к Outlook 2011 никто не знает? 2011 - это на Mac OS.