You can add a zero before a number in Google Sheets and Excel using this tutorial. You need to change cell formatting or use function.

If you have left out hyphens, Excel does include automatic cell formatting options, allowing you to uniformly add hyphens to a selection of phone numbers, social security numbers or anything else ...

Want an easier way to share your spreadsheet or workbook with non-Apple users? We’ll show you how to convert Apple Numbers to Excel on Mac, iPhone, and iPad.

You can subtract numbers in Microsoft Excel in a few different ways, depending on your data and formatting.

However, Excel's random number functions are volatile, meaning they change constantly. In this article, I'll show you how to generate and fix random numbers and remove duplicates.