Excel 2010 SDK: Excel 2010 XLL Software Development Kit

The Excel 2010 XLL SDK includes the following:


• C API includes 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.
• Documentation includes the API function reference, conceptual, and how-to Help topics.

In conjunction with Microsoft Excel 2010, the Microsoft Excel 2010 XLL Software Development Kit (SDK) includes support for the following new features:

• New Functions The Microsoft Excel 2010 XLL SDK supports calling back to all of Excel 2010's new worksheet functions.
• Asynchronous User-defined Functions Excel 2010 now supports calling user-defined functions (UDF) asynchronously, which can improve performance by enabling several calculations to run at the same time.
• Cluster Connectors Cluster connectors enable UDFs to run on high-performance compute clusters.
• 64-bit Support You can now compile and link both 32-bit and 64-bit XLLs.

For more information, see the Excel 2010 XLL SDK Documentation.

Windows 7, Windows Server 2003 R2 (32-Bit x86), Windows Server 2003 R2 x64 editions, Windows Server 2008, Windows Server 2008 R2, Windows Vista Service Pack 1, Windows XP Service Pack 3

• This download works with the following applications:


• Microsoft Visual Studio 2005
  -OR-
  Microsoft Visual Studio 2008 for 64-bit XLLs


• Microsoft Excel 2010