Functions are the driving force of any Microsoft Excel spreadsheet, generating a single value or an array of results based on certain arguments you input. However, combining—or nesting—functions ...

I have a client who asked me if I could help him figure something out based on some sales reports. I said I'd look into it, but I'm not really much of an Excel user. Normally, I can figure this ...

How to Use VLookup With Different Sheets on Excel. Excel's VLOOKUP function searches an array of cells for data you choose, returning data from the cell next to the one that it finds.

A combo box's autocomplete feature linked to a lookup function creates a flexible search tool.