You can remove duplicates in Excel in a few steps. Duplicates can create problems when you're dealing with data.

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 ...

Example: I have a 5 x 5 array of data with names of animals in it. I have another cell with "monkey" written in it. Is there a way I can write a formula to test whether or not "monkey" exists in the ...