We all can admit that Microsoft Excel is the best tool in its class, but there are ways to improve it with some cool and free Excel add-ins from the store. Some of these add-ins do basic things, while ...

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 ...

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 ...