Excel 2010 SDK: Excel 2010 XLL Software Development Kit for Windows

Used Excel 2010 SDK: Excel 2010 XLL Software Development Kit for Windows?

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Editors’ Review

Download.com staffFebruary 20, 2026

This SDK provides tools and documentation to build Excel 2010 XLL add-ins. It includes a C API, sample projects, and comprehensive guides for developers.

Pros
- Comprehensive C API for Excel 2010 access
- Includes header and source files
- Sample Visual Studio 2008 projects provided
- Detailed API function reference
- Conceptual and how-to documentation included
Cons
- Limited to Excel 2010 functionality
- Requires Visual Studio 2008 for samples
- Primarily focused on C/C++ development

Excel 2010 SDK: Excel 2010 XLL Software Development Kit for Windows

Used Excel 2010 SDK: Excel 2010 XLL Software Development Kit for Windows?

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Full Specifications

GENERAL

Release: May 4, 2010

Latest update: February 20, 2026

Version: 1.0

OPERATING SYSTEMS

Platform: Windows

Operating System

Windows Server
Windows 10
Windows XP
Windows Vista
Windows 2003
Windows 7

Additional Requirements: Microsoft Visual Studio 2005 or Microsoft Visual Studio 2008 for 64-bit XLLs and Microsoft Excel 2010.

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Developer’s Description

Guide you in developing Excel 2010 XLLs with conceptual overviews, programming tasks, and sample projects.

Excel 2010 SDK: Excel 2010 XLL Software Development Kit includes C API with header and source files that enable a DLL to access Excel 2010 functionality, and a description of the interface that a DLL should expose to work with the Excel Add-in Manager, Microsoft Visual Studio 2008 projects includes C/C++ source code and shows how to use the C API, and documentation includes the API function reference, conceptual, and how-to Help topics.