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I am making an Add-In for excel in .Net.
I referred an article available on code project i.e. Create an Automation Add-In for Excel using .NET[^]

I build the dll, but when I tested it on excel its give me error as
"abc.dll is not a valid office Add-In

I am trying to do it in office type project.
Posted 13-Mar-12 21:51pm
Edited 14-Mar-12 0:46am

1 solution

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