There are thousands of links you can Google. Here's one from MSDN:

http://msdn.microsoft.com/library/de...en-us/dno2k3ta
/html/odc_OFCallVBAFromAddin.asp

In article .com,
"Jon" wrote:

COM add in's are completely foreign to me. I have never done that
before. Is there some kind of a link to some "how to's" that you know
of?