Sumif Function in Excel 2007 - an Easy Tutorial

The sumif function enables you to sum up only some specific cells in a column, cells which confirm to some condition.
Have a look at the following worker's salary table:

Let's for example, sum up the salary of all the workers who belong to the "Sales" department.

The sumif function consists of three parts separated by commas:
1. A range
2. A condition to apply to that range
3. The range of cells to sum up

In our example, the sumif will look literally something like this:
=sumif ( The Department column, is Sales, The Salary column)

And the function will actually be:

To sum up the salary of all workers of QA department, the function will be:

Another example:
Let's sum up the salary of all workers that are older than 35.

The function in words:
=sumif ( The Age column, is older than 35, The salary column)

And the actual function will be:

Have a look at the tutorial video above to see an animated illustration of this subject.