Ways to count values in a worksheet - Microsoft Support
Excel provides multiple techniques that you can use to count cells, rows, or columns of data. To help you make the best choice, this article provides a comprehensive summary of methods, a downloadable workbook with interactive examples, and links to related topics for further understanding. Note: Counting should not be confused with summing.
Get an Office Add-in for Excel - Microsoft Support
Are you looking for information about COM add-ins for Excel? If you are, see Add or remove add-ins. Click File> Get Add-ins. You can directly install an add-in on the page or click More Add-ins to explore. In the Office Add-ins box, select My Add-ins to view your add-ins.
Improve accessibility with the Accessibility Checker
Before you send an Outlook email message or share a Word document, Excelspreadsheet, PowerPoint presentation, or OneNote notebook, run the Accessibility Checker to make your content easier for people to read and edit.