## Filter common values from three separate columns

Array formula in B15:

Copy cell B15 and paste it to cells below as far as necessary.

To enter an array formula, type the formula in a cell then press and hold CTRL + SHIFT simultaneously, now press Enter once. Release all keys.

The formula bar now shows the formula with a beginning and ending curly bracket telling you that you entered the formula successfully. Don't enter the curly brackets yourself.

### Explaining formula in cell B15

#### Step 1 - Prevent duplicates in the list

The COUNTIF function counts values based on a condition or criteria. The first argument $B$14:B14 expands as the cell is copied to cells below. This makes the formula aware of displayed values above the current cell.

COUNTIF($B$14:B14, $B$3:$B$12)

becomes

COUNTIF("Common values in three columns", {"AA"; "BB"; "CC"; "DD"; "EE"; "FF"; "GG"; "HH"; "GG"; "JJ"})

and returns

{0;0;0;0;0;0;0;0;0;0}

#### Step 2 - Find position of value in array

The MATCH function returns a number representing the position of a value in a list.

MATCH(0,COUNTIF($B$14:B14,$B$3:$B$12)+(((COUNTIF($D$3:$D$11,$B$3:$B$12)>0)+(COUNTIF($F$3:$F$12,$B$3:$B$12)>0))<>2),0)

becomes

MATCH(0,C{0;0;0;0;0;0;0;0;0;0}+((({TRUE;FALSE;TRUE;FALSE;TRUE;FALSE;TRUE;FALSE;TRUE;FALSE})+({FALSE;TRUE;TRUE;FALSE;FALSE;TRUE;TRUE;TRUE;TRUE;TRUE}))<>2),0)

becomes

MATCH(0,{1;1;0;1;1;1;0;1;0;1},0)

and returns 3.

#### Step 3 - Return value

The INDEX function returns a value based on a row and column number.

INDEX($B$3:$B$12, MATCH(0, COUNTIF($B$14:B14, $B$3:$B$12)+IF(((COUNTIF($D$3:$D$11, $B$3:$B$12)>0)+(COUNTIF($F$3:$F$12, $B$3:$B$12)>0))=2, 0, 1), 0))

becomes

INDEX($B$3:$B$12, 3)

and returns "CC" in cell B15.

### Download Excel *.xlsx file

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Hello,

I am not certain why the range of $A$13:A13 is used in the countif function... Is this a mistake?

Also, how can I adjust this to check for common values in 15 columns? Is that even possible?

Thanks,

Beth

Beth,

I am not certain why the range of $A$13:A13 is used in the countif function... Is this a mistake?It makes sure that only unique distinct values are extracted.

See the explanation in this post:

Filter values that exists in all three lists

Also, how can I adjust this to check for common values in 15 columns? Is that even possible?Yes, add the remaining 12 columns to the formula, using a countif function for each column. See explanation.

Hi Oscar,

Is there a way to do what you did above but without the named ranges?

Thanks

Dan

How can we find common numbers from different sheets and arrange them with column heading and by counting that how many time a found in which Sheet???

REGARDING THE ABOVE QUESTION "Also, how can I adjust this to check for common values in 15 columns? Is that even possible?

Yes, add the remaining 12 columns to the formula, using a countif function for each column. See explanation."

Can you tell me what to insert - for my 3 columns I have =INDEX(A2:A16, MATCH(0, COUNTIF($A$19:A19, A2:A16)+IF(IF(COUNTIF(B2:B16, A2:A16)>0, 1, 0)+IF(COUNTIF(C2:C16, A2:A16)>0, 1, 0)=2, 0, 1), 0)). How do I add further columns into the range? I have tried copy and pasting +IF(COUNTIF(C2:C16, A2:A16)>0, 1, 0)before the = and changing it to d2:d16 but get an error

Louise

Great question!

Array formula in cell B14:

To add a fifth column (Col E) simply add a COUNTIF function.

I tried below formula for the fourth and fifth columns but only one item is listed other NA

What did I do wrong??

Array formula in cell B14:

=INDEX($A$2:$A$11,MATCH(0, COUNTIF($B$13:B13, $A$2:$A$11)+NOT(COUNTIF($B$2:$B$10, $A$2:$A$11)*COUNTIF($C$2:$C$11, $A$2:$A$11)*COUNTIF($D$2:$D$9, $A$2:$A$11)), 0))

To add a fifth column (Col E) simply add a COUNTIF function.

=INDEX($A$2:$A$11,MATCH(0, COUNTIF($B$13:B13, $A$2:$A$11)+NOT(COUNTIF($B$2:$B$10, $A$2:$A$11)*COUNTIF($C$2:$C$11, $A$2:$A$11)*COUNTIF($D$2:$D$9, $A$2:$A$11)*COUNTIF($E$2:$E$9, $A$2:$A$11)), 0))

Albert,

Can you post your formula?