An ActiveX control which is not marked as "safe for scripting" cannot be access from script unless you change the security settings. If you did manage to change it so that it was marked as "safe for scripting", then any site on the internet could use it to wreak havoc on your users' email. Try creating your own ActiveX control to perform the specific tasks you need, and locking it down to your intranet site: Per-Site ActiveX Controls (Internet Explorer)[^] Alternatively, see if you can do what you need with an iCalendar file, which would have the added advantage of working in other browsers and calendars too. GitHub - rianjs/ical.net: ical.NET - an open source iCal library for .NET[^] "These people looked deep within my soul and assigned me a number based on the order in which I joined." - Homer