Apparently, it can be secured.
http://www.lmbtfy.com/?q=secure+vba+codeBut, I think you posted in the wrong forum. VBA is not .Net.
>If someone has built a VBA for Excel, which does some pretty amazing thing, and would like to make it secure, would there be a way to achieve that? By that, I mean to secure as much as possible that investment so no one else can hack into that code and try to take over that product for example.
Craig Berntson
MCSD, Microsoft .Net MVP, Grape City Community Influencer