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by deburo 2307 days ago
The key to using C# for manipulating Excel for me was ExcelDNA. The development workflow and binary packing was pretty good, I thought.

Before ending up on ExcelDNA, I had started with a VSTO template from Visual Studio, and the development workflow was hell because of how buggy the interactions with Excel were. And I thought the ClickOnce deployment was annoying, if you can instead merely copy an excel file as well as its add-in file(s).

You don't really need to sign your add-in, though I guess that's not good.