One of most common question asked by the users of the Outlook Custom form is How to simplify the process to open Custom Forms in Outlook?
Below mentioned articles describes various methods that you can use to make a custom Outlook form more accessible to users:
However, there is a know issue when distributing the VBA macro code to other users as per article mentioned below; so creating a small COM/VSTO add-in is way to go.
In order to know how to develop an COM/VSTO Outlook add-in refer to KB322145
Section: Creating a Component Object Model Add-in Solution.
Hope this helps!!! Have great 2010!!!