*The tutorial shows how to lookup with multiple criteria in Excel using INDEX and MATCH and a few other ways.*

Although Microsoft Excel provides special functions for vertical and horizontal lookup, expert users normally replace them with INDEX MATCH, which is superior to VLOOKUP and HLOOKUP in many ways. Among other things, it can look up two or more criteria in columns and rows. This tutorial explains the syntax and inner mechanics in full detail so that you can easily adjust the formula for your particular needs. To make the examples easier to follow, you are welcome to download our sample workbook.

When working with large databases, you may sometimes find yourself in a situation when you need to find something but don't have a unique identifier for the search. In this case, lookup with several conditions is the only solution.

To look up a value based on multiple criteria in separate columns, use this generic formula:

{=INDEX(*return_range*, MATCH(1, (*criteria1*=*range1*) * (*criteria2*=*range2*) * (…), 0))}

Where:

*Return_range*is the range from which to return a value.*Criteria1*,*criteria2*, … are the conditions to be met.*Range1*,*range2*, … are the ranges on which the corresponding criteria should be tested.

Important note! This is an array formula and it must be completed with Ctrl + Shift + Enter. This will enclose your formula in {curly brackets}, which is a visual sign of an array formula in Excel. Do not try typing the braces manually, that won't work!

The formula is an advanced version of the iconic INDEX MATCH that returns a match based on a single criterion. To evaluate multiple criteria, we use the multiplication operation that works as the AND operator in array formulas. Below, you will find a real-life example and the detailed explanation of the logic.

For this example, we will be using a table in the so-called "flat-file" format with each separate criteria combination (region-month-item in our case) on its own row. Our goal is to retrieve the sales figure for a certain item in a specific region and month.

With the source data and criteria in the following cells:

*Return_range*(sales) - D2:D13*Criteria1*(target region) - G1*Criteria2*(target month) - G2*Criteria3*(target item) - G3*Range1*(regions) - A2:A13*Range2*(months) - B2:B13*Range3*(items) - C2:C13

The formula takes the following shape:

`=INDEX(D2:D13, MATCH(1, (G1=A2:A13) * (G2=B2:B13) * (G3=C2:C13), 0))`

Enter the formula, say in G4, complete it by pressing Ctrl + Shift + Enter and you will get the following result:

The trickiest part is the MATCH function, so let's figure it out first:

`MATCH(1, (G1=A2:A13) * (G2=B2:B13) * (G3=C2:C13), 0))`

As you may remember, MATCH(lookup_value, lookup_array, [match_type]) searches for the lookup value in the lookup array and returns the relative position of that value in the array.

In our formula, the arguments are as follows:

*Lookup_value*: 1*Lookup_array*: (G1=A2:A13) * (G2=B2:B13) * (G3=C2:C13)*Match_type*: 0

The 1^{st} argument is crystal clear - the function searches for the number 1. The 3^{rd} argument set to 0 means an "exact match", i.e. the formula returns the first found value that is exactly equal to the lookup value.

The question is - why do we search for "1"? To get the answer, let's have a closer look at the lookup array where we compare each criterion against the corresponding range: the target region in G1 against all regions (A2:A13), the target month in G2 against all months (B2:B13) and the target item in G3 against all items (C2:C13). An intermediate result is 3 arrays of TRUE and FALSE where TRUE represents values that meet the tested condition. To visualize this, you can select the individual expressions in the formula and press the F9 key to see what each expression evaluates to:

The multiplication operation transforms the TRUE and FALSE values into 1's and 0's, respectively:

`{1;1;1;1;1;1;0;0;0;0;0;0} * {0;0;1;1;0;0;0;0;1;1;0;0} * {1;0;1;0;1;0;1;0;1;0;1;0}`

And because multiplying by 0 always gives 0, the resulting array has 1's only in the rows that meet all the criteria:

`{0;0;1;0;0;0;0;0;0;0;0;0}`

The above array goes to the *lookup_array* argument of MATCH. With *lookup_value* of 1, the function returns the relative position of the row for which all the criteria are TRUE (row 3 in our case). If there are several 1's in the array, the position of the first one is returned.

The number returned by MATCH goes directly to the *row_num* argument of the INDEX(array, row_num, [column_num]) function:

`=INDEX(D2:D13, 3)`

And it yields a result of $115, which is the 3^{rd} value in the D2:D13 array.

The array formula discussed in the previous example works nice for experienced users. But if you are building a formula for someone else and that someone does not know array functions, they may inadvertently break it. For example, a user may click your formula to examine it, and then press Enter instead of Ctrl + Shift + Enter. In such cases, it would be wise to avoid arrays and use a regular formula that is more bulletproof:

INDEX(*return_range*, MATCH(1, INDEX((*criteria1*=*range1*) * (*criteria2*=*range2*) * (..), 0, 1), 0))

For our sample dataset, the formula goes as follows:

`=INDEX(D2:D13, MATCH(1, INDEX((G1=A2:A13) * (G2=B2:B13) * (G3=C2:C13), 0, 1), 0))`

As the INDEX function can process arrays natively, we add another INDEX to handle the array of 1's and 0's that is created by multiplying two or more TRUE/FALSE arrays. The second INDEX is configured with 0 *row_num* argument for the formula to return the entire column array rather than a single value. Since it's a one-column array anyway, we can safely supply 1 for *column_num*:

`INDEX({0;0;1;0;0;0;0;0;0;0;0;0}, 0, 1) returns {0;0;1;0;0;0;0;0;0;0;0;0}`

This array is passed to the MATCH function:

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

MATCH finds the row number for which all the criteria are TRUE (more precisely, the the relative position of that row in the specified array) and passes that number to the *row_num* argument of the first INDEX:

`=INDEX(D2:D13, 3)`

This example shows how to perform lookup by testing two or more criteria in rows and columns. In fact, it's a more complex case of the so-called "matrix lookup" or "two-way lookup" with more than one header row.

Here's the generic INDEX MATCH formula with multiple criteria in rows and columns:

{=INDEX(*table_array*, MATCH(*vlookup_value*, *lookup_column*, 0), MATCH(*hlookup_value1* & *hlookup_value2*, *lookup_row1* & *lookup_row2*, 0))}

Where:

*Table_array* - the map or area to search within, i.e. all data values excluding column and rows headers.

*Vlookup_value* - the value you are looking for vertically in a column.

*Lookup_column* - the column range to search in, usually the row headers.

*Hlookup_value1, hlookup_value2, … * - the values you are looking for horizontally in rows.

*Lookup_row1, lookup_row2, … *- the row ranges to search in, usually the column headers.

Important note! For the formula to work correctly, it must be entered as an **array formula** with Ctrl + Shift + Enter.

It is a variation of the classic two-way lookup formula that searches for a value at the intersection of a certain row and column. The difference is that you concatenate several hlookup values and ranges to evaluate multiple column headers. To better understand the logic, please consider the following example.

In the sample table below, we'll be searching for a value based on the row headers (Items) and 2 column headers (Regions and Vendors). To make the formula easier to build, let's first define all the criteria and ranges:

*Table_array*- B3:E4*Vlookup_value*(target item) - H1*Lookup_column*(Row headers: items) - A3:A4*Hlookup_value1*(target region) - H2*Hlookup_value2*(target vendor) - H3*Lookup_row1*(Column headers 1: regions) - B1:E1*Lookup_row2*(Column headers 2: vendors) - B2:E2

And now, supply the arguments into the generic formula explained above, and you will get this result:

`=INDEX(B3:E5, MATCH(H1,A3:A5,0), MATCH(H2&H3,B1:E1&B2:E2,0))`

Remember to complete the formula by pressing the Ctrl + Shift + Enter shortcut, and your matrix lookup with multiple criteria will be done successfully:

As we are searching vertically and horizontally, we need to supply both the row and column numbers for the INDEX(array, row_num, column_num) function.

*Row_num* is delivered by MATCH(H1, A3:A5, 0) that compares the target item (Apples) in H1 against the row headers in A3:A5. This gives a result of 1 because "Apples" is the 1st item in the specified range.

*Column_num* is worked out by concatenating 2 lookup values and 2 lookup arrays: MATCH(H2&H3, B1:E1&B2:E2, 0))

The key factor for success is that the lookup values should match the column headers exactly and be concatenated in the same order. To visualize this, select the first two arguments in the MATCH formula, press F9, and you will see what each argument evaluates to:

`MATCH("NorthVendor 2", {"NorthVendor 1", "NorthVendor 2", "SouthVendor 1", "SouthVendor 2"}, 0)`

As "NorthVendor 2" is the second element in the array, the function returns 2.

At this point, our lengthy two-dimensional INDEX MATCH formula transforms into this simple one:

`=INDEX(B3:E5, 1, 2)`

And returns a value at the intersection of the 1st row and 2nd column in the range B3:E5, which is the value in the cell C3.

That's how to look up multiple criteria in Excel. I thank you for reading and hope to see you on our blog next week!

Excel INDEX MATCH multiple criteria (.xlsx file)

- VLOOKUP with multiple criteria – requires adding a helper column to your table. That's not a very elegant solution, but you may want to know all available options.
- XLOOKUP with multiple criteria – the recent addition to the family of Excel's lookup and reference functions handles arrays by design. Meaning, it works as a regular formula, not an array formula!
- Lookup multiple conditions and return multiple results - combine 5 different functions in a single formula to evaluate several criteria and return all matches either in a column or row.
- INDEX MATCH MATCH formula in Excel – a few different ways to perform two dimensional lookup in Excel.
- Merge Tables Wizard - visual way to Vlookup in Excel with one or more criteria.

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