This page is specific to

The 2007 product release

Other versions are also available for the following:

The 2010 product release

Getting Started with the Excel 2007 XLL SDK

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.

In This Section

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.

Related Sections

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.