COUNTIF tips

The COUNTIF function can provide us with very useful information. From a range you can count empty cells, the non-empty cells, or cells with all text. Let us see it with an example.

How to count the number of unique values in a range in Excel

Hello, on many occasions we have a list or range with lots of data, and we wondered how many of those values or data are unique, and we have had to develop a complex solution by adding helper columns and doing multiple operations.

That is no longer necessary !!

Because we can calculate the number of unique values in a list with a simple formula.
And what formula is that ?? Let's see ...

Conditional Formatting - Formula to highlight duplicates, errors and omissions

Today we are looking at another example of using formulas in conditional formatting.

It is recommended to first read and understand the entrance Conditional Formatting - formulas for selecting cells

1. Highlight duplicates in a list

For this example we will use a standard list of data like this. This list is in the range B7:B23.

So the formula to highlight duplicates is:

=COUNTIF($B$8:$B8,$B8)>1