Getting Started with the Excel 2013 XLL SDK

Last modified: April 19, 2012

Applies to: Excel 2013 | Office 2013 | Visual Studio

The Microsoft Excel 2013 XLL Software Development Kit (SDK) provides information to help you get started with creating DLL add-ins for Excel 2013 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 2013 XLL development.

Programming with the C API in Excel 2013

Introduces the C API and discusses how it compares to other programming options in Excel 2013.

What's New in the C API for Excel 2013

Describes updates to the C API for Excel 2013.

Known Issues in Excel XLL Development

Discusses issues encountered in Excel XLL programming.

Excel 2013 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.