The only true way to choose between iteration and pivot is data analysis. Conduct user interviews and determine your key ...

This is my simple way to use the VLOOKUP function in Excel to find data fast. I walk through how I use VLOOKUP to look up ...

To apply data validation rules to a selected cell or range, head to the "Data" tab on the ribbon, and click the top half of ...

You can easily create a drop-down list in Excel to limit the values that can be entered in a column. Here's how to set one up ...