Summary

To do something when two cells have specific values (i.e. this AND that)  that you can use the IF function together with the AND function to run a test. In cell D6, the formula is:

=IF(AND(B6="red",C6="small"),"x","")

which returns "x" when B6 is "red" AND C6 is "small", and returns an empty string ("") if not. 

Generic formula

=IF(AND(A1="this",B1="that"),"x","")

Explanation 

To do something specific when two or more conditions are TRUE, you can use the IF function in combination with the AND function to evaluate conditions with a test, then take one action if the result is TRUE, and (optionally) do take another if the result of the test is FALSE.

In the example shown, we simply want to "flag" records where the color is red AND the size is small. In other words, we want to check cells in column B for the color "red" AND check cells in column C to see if the size is "small". Then, if both conditions are TRUE, we mark the row with an "x". In D6, the formula is:

=IF(AND(B6="red",C6="small"),"x","")

In this formula, the logical test is this bit:

AND(B6="red",C6="small")

This snippet will return TRUE only if the value in B6 is "red" AND the value in C6 is "small". If either condition isn't true, the test will return FALSE.

Next, we need to take an action when the result of the test is TRUE. In this case, we do that by adding an "x" to column D. If the test is FALSE,  we simply add an empty string (""). This causes an "x" to appear in column D when both conditions are true and nothing to display if not.

Note: if we didn't add the empty string when FALSE, the formula would actually display FALSE whenever the color is not red.

Testing the same cell

In the example above, we are checking two different cells, but there nothing that prevents you from running two tests on the same cell. For example, let's say you want to check values in column A and then do something when a value at least 100 but less than 200.  In that case you could use this code for the logical test:

=AND(A1>=100,A1<200)
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Dave Bruns

Hi - I'm Dave Bruns, and I run Exceljet with my wife, Lisa. Our goal is to help you work faster in Excel. We create short videos, and clear examples of formulas, functions, pivot tables, conditional formatting, and charts.