Extended Date Functions (XDATE)
This section contains free Excel workbooks and add-ins. With a few exceptions, all of these files were developed by me -- John Walkenbach. Some of the files demonstrate useful techniques that you can adapt to your own work. Others are simply for fun.
The files are grouped into three categories: General Interest, For Developers, and Add-Ins. The files may not be compatible with all versions of Excel.
Browse Downloads by Category
Also of Interest
How to download
Most of the download links point directly to Excel files, but a few are compressed ZIP files. For best results: