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An open-source project to integrate .Net into Excel





ExcelDna was developed to be an open-source project to integrate .Net into Excel. The primary target is the Excel user who currently writes VBA code for functions and macros, and would like to start using .NET. Also interested would be C/C++ based .xll add-in developers who want to use the .NET framework to develop their add-ins.

ExcelDna is free for all use, and distributed under a permissive open-source license that also allows commercial use.

ExcelDna is developed using .NET 2.0, and users have to install the freely available .NET Framework 2.0 runtime. The integration is by an Excel Add-In (.xll) that exposes .NET code to Excel. The user code can be in text-based (.dna) script files (C#, Visual Basic or F#), or compiled .NET libraries (.dll).
Last updated on May 5th, 2014