Hey everyone,

I've developed an add-in component through MATLAB Compiler and the Builder Ex Wizard in Excel. It works like a charm, and I have macros to access it. For users on target machines to use it, they need my .exe package I built that has a .bas, .xla, and .dll among others. They must activate the .xla file in Excel options before running the program successfully. What I do not quite understand is why my developer machine can run the program without activating that .xla file. I have since updated to Windows 7 from XP, had my entire machine wiped, and I can still run the thing without having the add-in activated. My first thought is because I have Windows SDK 7.1 and .NET Framework 4 installed on my machine, which is something my target machines don't need. Can anyone give me an explanation as to WHY my machine can run the program I made without the .xla add-in I made for everyone else?

Thanks,
JJ