Microsoft Excel's Data Validation tool lets you add a drop-down list to a cell based on existing data in a column. However, how this works depends on whether the source data is part of a formatted ...

To edit a drop-down list in Excel, you can use a number of tools depending on how you created the list. Here's what you need ...

The ability to move columns in Excel is a great benefit when dealing with long strands of data in Excel. Here's how to do it.

If you've used data validation in Excel before, you probably selected the relevant cells, clicked "Data Validation" in the ...