How to Increment a Number in Excel. Product IDs, serial numbers and other reference numbers require a unique identifier to avoid confusion when referencing a product or specific data point.

If your company is working with a large list in an Excel spreadsheet, take advantage of the program's built-in filter customization tools to limit the number of rows included in your filter results.

Creating a list of duplicate values that’s separate from the data source is easier than ever thanks to Microsoft Excel's FILTER() function.