Product IDs, serial numbers and other reference numbers require a unique identifier to avoid confusion when referencing a product or specific data point. Although you can manually enter unique numbers ...

Whole-column references in Excel are silent performance killers, often forcing the program to manage a range of over a ...

In a Microsoft Excel spreadsheet, you may have formulas sitting in one cell that require the information within another cell in order to calculate. These relationships are called references. When a ...

Microsoft Excel is designed to alert users whenever a circular reference is causing problems. Folks who are unable to spot the error can take full advantage of the ...

You can sum up entire columns or rows in Microsoft Excel using the AutoSum feature. The AutoSum tool automatically selects a column or row of numbers, but you can select any set of numbers by clicking ...