When you dive into the world of Excel, you quickly realize the power of its functions. Among these, the INDEX & MATCH formulas stand out as incredibly versatile tools for data lookup and retrieval.

Click to download a workbook and open in Excel; make sure to enable macros for full functionality. The workbooks contain screencasts that explain what to do and include tasks that can be assigned.

Add-ins are special files that provide additional functionality. After downloading an add-in file, the Add-ins Manager must be used to install it. Add-ins files have extension .xla or .xlam (for Excel ...