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 to know.

While you could tediously copy and paste names and addresses from a text document, with a little know-how in Excel, you can make the process far easier.

If you wish to count the same or duplicate values in a column only once in Excel or the count of occurances of duplicate values, read this article.