XLlama is for desktop Excel on 64-bit Windows. Setup supports 32-bit or 64-bit Excel and checks the matching .NET 10 Windows Desktop Runtime and WebView2 Runtime.
Use Excel 2016 or newer. EXTRACT needs dynamic arrays, available in Microsoft 365 and Excel 2021 or later. Actual Excel testing has covered 64-bit Microsoft 365; other supported configurations may behave differently.
Excel for the web, Mac, iPad, native ARM64 Excel and 32-bit Windows are not supported. Ollama and the model you choose have their own operating-system, memory and disk requirements.