If you don't want to leave the column of random numbers in your spreadsheet once it's sorted, you can delete or hide it. Add a new column of random data if you want to randomize the order of the ...

Adding a new column to either an entire spreadsheet or just a portion is an easy thing to do in Microsoft Excel. Here's how.

Excel for the web now supports conditional formatting, and the interface is easier to use than the desktop edition. Susan Harkins shows you how to use it.