*The tutorial shows how to use the SORT function to sort data arrays dynamically. You will learn a formula to sort alphabetically in Excel, arrange numbers in ascending or descending order, sort by multiple columns, and more. *

The Sort functionality has been around for a long time. But with the introduction of dynamic arrays in Excel 365, there appeared an amazingly simple way to sort in Excel with formulas. The beauty of this method is that the results update automatically when the source data changes.

The SORT function in Excel sorts the contents of an array or range by columns or rows, in ascending or descending order.

SORT belongs to the group of __Dynamic Arrays functions__. The result is a dynamic array that automatically spills to neighboring cells vertically or horizontally, depending on the shape of the source array.

The syntax of the SORT function is as follows:

SORT(array, [sort_index], [sort_order], [by_col])

Where:

*Array* (required) - is an array of values or a range of cells to sort. These can be any values including text, numbers, dates, times, etc.

*Sort_index* (optional) - an integer that indicates which column or row to sort by. If omitted, the default index 1 is used.

*Sort_order* (optional) - defines the sort order:

- 1 or omitted (default) - ascending order, i.e. from smallest to largest
- -1 - descending order, i.e. from largest to smallest

by_col (optional) - a logical value that indicates the direction of sorting:

- FALSE or omitted (default) - sort by row. You'll use this option most of the time.
- TRUE - sort by column. Use this option if your data is organized horizontally in columns like in this example.

SORT is a new dynamic array function and as such it has a couple of specificities that you should be aware of:

- Currently the SORT function is only available in the Monthly channel of
**Office 365**subscriptions. Starting in July 2020, it is going to be included in the Semi-Annual channel. Excel 2019, Excel 2016 do not support dynamic array formulas, so the SORT function is not available in these versions. - If the array returned by a SORT formula is the final result (i.e. not passed to another function), Excel dynamically creates an appropriately sized range and populates it with the sorted values. So, be sure you always have enough empty cells down or/and to the right of the cell where you enter the formula, otherwise a #SPILL error occurs.
- The results update dynamically as the source data changes. However, the
*array*supplied to the formula does not extend automatically to include new entries that are added outside of the referenced*array*. To include such items, you need to either update the*array*reference in your formula, or convert the source range to an Excel table as shown in this example, or create a dynamic named range.

This example shows a basic formula for sorting data in Excel in ascending and descending order.

Supposing your data is arranged alphabetically as shown in the screenshot below. You are looking to sort numbers in column B without breaking or mixing data.

To sort values in column B from smallest to largest, here's the formula to use:

`=SORT(A2:B8, 2, 1)`

Where:

- A2:B8 is the source array
- 2 is the column number to sort by
- 1 is the ascending sort order

Since our data is organized in rows, the last argument can be omitted to default to FALSE - sort by rows.

Just enter the formula in any empty cell (D2 in our case), press Enter, and the results will spill automatically to D2:E8.

To sort data descending, i.e. from largest to smallest, set the *sort_order* argument to -1 like this:

`=SORT(A2:B8, 2, -1)`

Enter the formula in the top left cell of the destination range and you will get this result:

In a similar manner, you can sort text values in alphabetical order from A to Z or from Z to A.

The below examples show a few typical uses of the SORT function in Excel and a couple of non-trivial ones.

When you sort data in Excel, for the most part you change the order of rows. But when your data is organized horizontally in columns, you might need to sort from left to right, rather than from top to bottom.

To sort by column in Excel, set the *by_col* argument to TRUE. In this case, *sort_index* will represent a row, not a column.

For example, to sort the below data by Qty. from highest to lowest, use this formula:

`=SORT(B1:H2, 2, 1, TRUE)`

Where:

- B1:H2 is the source data to sort
- 2 is the sort index, since we are sorting numbers in the second row
- -1 indicates the descending sort order
- TRUE means to sort columns, not rows

When working with complex data models, you may often need a multi-level sort. Can that be done with a formula? Yep, easily! What you do is to supply array constants for the *sort_index* and *sort_order* arguments.

For example, to sort the below data first by *Region* (column A) from A to Z, and then by *Qty*. (column C) from smallest to largest, set the following arguments:

*Array*is the data in A2:C13.*Sort_index*is the array constant {1,3}, since we first sort by*Region*(1^{st}column), and then by*Qty*. (3^{rd}column).*Sort_order*is the array constant {1,-1}, since the 1st column is to be sorted in ascending order and the 3^{rd}column in descending order.*By_col*is omitted because we sort rows, which is default.

Putting the arguments together, we get this formula:

`=SORT(A2:C13, {1,3}, {1,-1})`

And it works perfectly! The text values in the first column are sorted alphabetically and the numbers in the third column from largest to smallest:

In case when you are looking to filter data with some criteria and put the output in order, use the SORT and FILTER functions together:

SORT(FILTER(array, *criteria_range*=*criteria*), [sort_index], [sort_order], [by_col])

The FILTER function gets an array of values based on the criteria you define and passes that array to the first argument of SORT.

The best thing about this formula is that it also outputs the results as a dynamic __spill range__, without you having to press Ctrl + Shift + Enter or guess at how many cells to copy it to. As usual, you type a formula in the upper most cell and hit the Enter key.

As an example, we are going to extract items with quantity equal to or greater than 30 (>=30) from the source data in A2:B9 and arrange the results in ascending order.

For this, we first set up the condition, say, in cell E2 as shown in the image below. And then, build our Excel SORT formula in this way:

`=SORT(FILTER(A2:B9, B2:B9>=E2), 2)`

Apart from *array* generated by the FILTER function, we only specify the *sort_index* argument (column 2). The remaining two arguments are omitted because the defaults work exactly as we need (sort ascending, by row).

When analyzing huge bulks if information, there is often a need to extract a certain number of top values. Maybe not just extract, but also arrange them in the desired order. And ideally, choose which columns to include in the results. Sounds tricky? Not with the new dynamic array functions!

Here is a generic formula:

INDEX(SORT(…), SEQUENCE(*n*), {*column1_to_return*,* column2_to_return*, …})

Where *n* is the number of the values you want to return.

From the below data set, assume you want to get a top 3 list based on the numbers in column C.

To have it done, you first sort the array A2:C13 by the 3^{rd} column in descending order:

`SORT(A2:C13, 3, -1)`

And then, nest the above formula in the first (*array*) argument of the INDEX function to have the array sorted from highest to smallest.

For the second (*row_num*) argument, which indicates how many rows to return, generate the required sequential numbers by using the SEQUENCE function. As we need 3 top values, we use SEQUENCE(3), which is the same as supplying a vertical array constant {1;2;3} directly in the formula.

For the third (*col_num*) argument, which defines how many columns to return, supply the column numbers in the form of a horizontal array constant. We want to return columns B and C, so we use the array {2,3}.

Eventually, we get the following formula:

`=INDEX(SORT(A2:C13, 3, -1), SEQUENCE(3), {2,3})`

And it produces exactly the results we want:

To return **3 bottom** values, simply sort the original data from smallest to largest. For this, change the *sort_order* argument from -1 to 1:

`=INDEX(SORT(A2:C13, 3, 1), SEQUENCE(3), {2,3})`

Looking from another angle, what if you only want to return a specific sort position? Say, only the 1st , only the 2nd, or only the 3rd record from the sorted list? To have it done, use the simplified version of the INDEX SORT formula discussed above:

INDEX(SORT(…), *n*, {*column1_to_return*,* column2_to_return*, …})

Where *n* is the position of interest.

For example, to get a particular position from top (i.e. from the data sorted descending), use this formula:

`=INDEX(SORT(A2:C13, 3, -1), F1, {2,3})`

To get a specific position from bottom (i.e. from the data sorted ascending), use this one:

`=INDEX(SORT(A2:C13, 3, 1), I1, {2,3})`

Where A2:C13 is source data, F1 is the position from top, I1 is the position from bottom, and {2,3} are the columns to be returned.

As you already know, the sorted array updates automatically when you make any changes to the original data. This is the standard behavior of all Excel dynamic array functions, including SORT. However, when you add new entries outside the referenced array, they are not automatically included in a formula. If you'd like your formula to respond to such changes, convert the source range to a fully-functional Excel table and use structured references in your formula.

To see how it works in practice, please consider the following example.

Supposing you use the below Excel SORT formula to arrange values in the range A2:B8 in alphabetical order:

`=SORT(A2:B8, 1, 1)`

Then, you input a new entry in row 9… and are disappointed to see that the newly added entry is left out of the spill range:

Now, convert the source range to a table. For this, simply select your range including the column headers (A1:B8) and press Ctrl + T. When building your formula, select the source range using the mouse, and the table name will be inserted in the formula automatically (this is called a structured reference):

`=SORT(Table1, 1, 1)`

When you type a new entry right below the last row, the table will expand automatically, and the new data will be included in the spill range of the SORT formula:

If your Excel SORT formula results in an error, it's most likely because of the following reasons.

SORT is a new function, which is currently available only in the Monthly channel of Office 365 subscriptions. In an older Excel version where this function is not supported, a #NAME? error occurs.

If one or more cells in the spill range are not completely blank, a #SPILL! error is displayed. To fix it, just clear or delete obstructing non-empty cells. For more information, please see __#SPILL error with dynamic arrays__.

Whenever you run into a #VALUE! error, check the *sort_index* and *sort_order* arguments.* Sort_index* should not exceed the number of columns is *array*, and *sort_order* should be either 1 (ascending) or -1 (descending).

Since dynamic arrays have limited support for references between workbooks, the SORT function requires both files to be open. If the source workbook is closed, a formula will throw a #REF! error. To fix it, just open the referenced file.

That's how to sort data in Excel using formula. I thank you for reading and hope to see you on our blog next week!

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