What question did this study set out to answer?

The aim is to show how to call .NET 8 code from VBA using early binding.

July 29, 2026Open Access

Using a .NET 8 DLL from VBA with Full Typing - COM Exposure and dscom TLB (archived 2026-07-27)

Key Points

The aim is to show how to call .NET 8 code from VBA using early binding.
Expose a .NET 8 class library to COM for use in VBA.
Generate a type library (TLB) utilizing dscom.
Register the COM-exposed DLL necessary for VBA integration.
Successful demonstration of accessing .NET 8 functionality in VBA with early binding.
Creation of a detailed guide available on GitHub for practical implementation.

Abstract

Call .NET 8 code from VBA with early binding: expose a class library to COM, generate a TLB with dscom, and register the comhost DLL. Sample code on GitHub. Archived version of https://comcomponent.com/en/blog/2026/03/16/007-dotnet8-dll-typed-vba-com-dscom-tlb/, as published on 2026-07-27. The live article is maintained and may change after this date. First published 2026-03-16.

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Cite This Study

Go Komura (Mon,) studied this question.

synapsesocial.com/papers/6a69a2fcc8da07d9defa7269 https://doi.org/https://doi.org/10.5281/zenodo.21614519

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