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Getting Started with the Excel 2007 XLL SDK

This content is outdated and is no longer being maintained. It is provided as a courtesy for individuals who are still using these technologies. This page may contain URLs that were valid when originally published, but now link to sites or pages that no longer exist.

The Microsoft Office Excel 2007 XLL Software Development Kit provides information to help you get started with creating DLL add-ins for Microsoft Office Excel 2007 that use the C API. This section provides information about the C API and also links to reference documentation to help you get started with Excel 2007 XLL development.

Welcome to the Excel 2007 XLL Software Development Kit

Describes the contents of the Excel 2007 XLL Software Development Kit and the subjects that are covered (and not covered) in the documentation.

Programming with the C API in Excel 2007

Introduces the C API and discusses how it compares to other programming options in Excel 2007.

What's New in the C API for Excel 2007

Describes updates to the C API for Excel 2007.

Known Issues in Excel XLL Development

Discusses issues encountered in Excel XLL programming.

Excel 2007 XLL SDK API Function Reference

Provides a reference for the Excel callbacks that the XLL can call, the XLL callbacks that Excel looks for, and the key functions in the sample and framework projects.