Excel 2007 SDK: Excel 2007 XLL Software Development Kit for Windows

Used Excel 2007 SDK: Excel 2007 XLL Software Development Kit for Windows?

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Editors’ Review

Download.com staffFebruary 20, 2026

This SDK provides developers with the tools and resources to create custom Excel 2007 XLL add-ins using its C API. It includes sample projects and comprehensive documentation.

Pros
- Includes C API with header and source files
- Enables DLLs to access Excel 2007 functionality
- Provides Visual Studio 2005 projects with sample code
- Documentation includes API function reference and help topics
- Offers conceptual overviews and programming tasks
Cons
- Limited to Excel 2007 functionality
- Requires C/C++ programming knowledge
- Does not support newer Excel versions directly

Excel 2007 SDK: Excel 2007 XLL Software Development Kit for Windows

Used Excel 2007 SDK: Excel 2007 XLL Software Development Kit for Windows?

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Full Specifications

GENERAL

Release: September 11, 2007

Latest update: February 20, 2026

Version: Sept07

OPERATING SYSTEMS

Platform: Windows

Operating System

Windows 10
Windows Vista
Windows 2003
Windows XP

Additional Requirements: Microsoft Visual Studio 2005 and Microsoft Office Excel 2007.

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Total Downloads: 293

Downloads Last Week: 1

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Developer’s Description

Guide you in developing Excel 2007 XLLs with conceptual overviews, programming tasks, and sample projects.

Excel 2007 SDK: Excel 2007 XLL Software Development Kit includes C API includes header and source files that enable DLLs to access Excel 2007 functionality, and a description of the interface that a DLL should expose to work with the Excel Add-in Manager, Microsoft Visual Studio 2005 projects includes C/C++ source code and demonstrates correct use of the C API, and documentation includes the API function reference and conceptual and how-to Help topics.