When working with spreadsheets in Microsoft Excel, you might find yourself needing to add up business data from cells across multiple spreadsheets. It is possible to make the Sum Excel formula ...

Microsoft's spreadsheet program can do way more than you might imagine. These are the hacks and tricks you need to know.

Many of them are backward- and forward-compatible, but check the system requirements before you download anything. Note that newer isn’t always better: Many of the ...