When counting unique values in Microsoft Excel, use UNIQUE() as a helper function and avoid more complicated expressions.

Use Microsoft Excel's TODAY() function in simple expressions to highlight the current date and past and future dates.

Using Excel’s PivotTables and PivotCharts, you can quickly analyze large data sets, summarize key data, and present it in easy-to-read format. Here’s how to get started with these powerful tools.

Excel filters help you find exactly what you want, no matter how big your spreadsheet database is. Here's how to set number, text and data filters.