Learn how to sum and count Excel cells by color with 3 easy methods. Save time, reduce errors, and boost your data analysis ...

The SUMIF function can even sum numbers based on a date — such as values related to a specific date, or before or after a date. Suppose we want to total all the sales that happened on January 15 ...

You have the ability to input up to 30 separate numbers in the formula, and they can either be in the form of static numbers -- such as 5, 4 or 3 -- or linked cells, such as A5, B4 or C3.

Summing only the negative values in a range of values sounds like a difficult task, but there’s a simple solution-use SUMIF(). In fact, you can use this function to sum all the negative or ...