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 ...

Use Excel for web or the Excel for Microsoft 365 desktop app for the latest Excel features, including the newest dynamic ...

If your Excel lists repeats values and you need help finding changes, try this easy conditional format. One of the most frequent requests I receive from readers is how to highlight list values when ...

To apply data validation rules to a selected cell or range, head to the "Data" tab on the ribbon, and click the top half of ...

Isolating values in an Excel 2007/2010 worksheet or workbook is common in both error-checking and data analysis tasks. While appropriate even for a small worksheet, the functions that isolate a value ...

You can't use a SUM() function to sum a filtered list, unless you intend to evaluate hidden and unhidden values. Here's how to sum only the values that meet your filter's criteria. Filters are a ...

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

The needful can be achieved using the COUNTIF function. You could either count the frequency of duplicates in Excel or the order of their occurrence in Excel. Count the frequency of duplicate values ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Amy is an ACA and the CEO and founder of ...

When inserting an ActiveX control to generate a list box in an Excel spreadsheet, you might sometimes notice that the list box does not contain a horizontal scrollbar. If this is the case, your list ...