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.

The most obvious way to increment a number in Excel is to add a value to it. Start with any value in cell A1, and enter "=A1+1" in cell A2 to increment the starting value by one. Copy the formula ...

How to Duplicate Words in Excel. Along with being a powerful spreadsheet application that allows you to perform complex calculations, Excel is also an effective data entry tool for your small ...

Prevent duplicates before they happen by combining a simple function with data validation.