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What are dynamic arrays in Excel?

Author

Matthew Martinez

Updated on February 20, 2026

What are dynamic arrays in Excel?

Dynamic Arrays are resizable arrays that calculate automatically and return values into multiple cells. Through over 30 years of history, Microsoft Excel has undergone many changes, but one thing remained constant - one formula, one cell.

Keeping this in view, how do you use dynamic arrays in Excel?

Dynamic Array formulas can be chained (nested) to do things like filter and sort. Formulas that return more than one value will automatically spill. It is not necessary to use Ctrl+Shift+Enter to enter an array formula. Dynamic array formulas are only available in Excel 365.

Subsequently, question is, what version of Excel has dynamic arrays? Dynamic arrays are in the July updates of Excel 365 for Windows, Mac, Apple and Android devices (see below for the full list). Even the forgotten Windows Mobile version of Excel 365 now has Dynamic Arrays.

Just so, are dynamic arrays available in Excel?

Availability. Dynamic arrays are currently available to all Insider users on Excel for Windows and Insider Fast users on Excel for Mac. While its currently only available for testing on Windows and Mac, dynamic arrays support is coming to all platforms.

How do I turn off dynamic arrays in Excel?

You can't turn them off. Dynamic arrays are a result of a change to the calculation engine.

What is a dynamic function in Excel?

In fall 2018, Microsoft announced a new feature in Excel called "dynamic array formulas". In a nutshell, this feature allows formulas to return multiple results to a range of cells on the worksheet based on a single formula entered in one cell.

How do I create a dynamic table in Excel?

#1 – Using Tables to create Dynamic Tables in Excel
  1. #1 – Select the data, i.e., A1:E6.
  2. #2 – In the Insert tab, click on Tables under the tables section.
  3. #3 – A dialog box pops up.
  4. #4 – Our Dynamic Range is created.
  5. #5 – Select the data and in the Insert Tab under the excel tables section, click on pivot tables.

How do I create a dynamic array in VBA?

Declaring a Dynamic Array

You can declare a dynamic array by using an empty set of parentheses. Dynamic arrays are always declared with empty parentheses. The parentheses must always be attached to the variable, never the data type. When you need to define the size of the array you can use the ReDim statement.

How do I create a dynamic named range in Excel?

How to create a dynamic named range in Excel
  1. On the Formula tab, in the Defined Names group, click Define Name. Or, press Ctrl + F3 to open the Excel Name Manger, and click the New…
  2. Either way, the New Name dialogue box will open, where you specify the following details:
  3. Click OK.

What is an Excel array?

An array formula is a formula that can perform multiple calculations on one or more items in an array. You can think of an array as a row or column of values, or a combination of rows and columns of values. Array formulas can return either multiple results, or a single result.

How do I use Xlookup?

Syntax. The XLOOKUP function searches a range or an array, and returns an item corresponding to the first match it finds. If a match doesn't exist, then XLOOKUP can return the closest (approximate) match. Where a valid match is not found, return the [if_not_found] text you supply.

What is a spill range?

The term "spill range" refers to the range of values returned by an array formula that spills results onto a worksheet. This formula returns seven unique values, and these results spill into the range D5:D11 automatically.

How do you stop an array formula in Excel?

Why would you want to avoid array formulas? An unexperienced Excel user may turn it into a regular formula by editing it and then press Enter. That will break the array formula, and often but not always, an error will be returned.

What is meant by dynamic array?

In computer science, a dynamic array, growable array, resizable array, dynamic table, mutable array, or array list is a random access, variable-size list data structure that allows elements to be added or removed. It is supplied with standard libraries in many modern mainstream programming languages.

How do you use the filter function in Excel?

Steps
  1. Select the range of cells that will be populated with filtered values.
  2. Start the formula with = IFERROR( function to return empty string when an error occurs)
  3. Continue with INDEX(
  4. Select or type in the range reference that contains your original list B:B,

How do I refresh an array formula in Excel?

To expand an array formula, i.e. apply it to more cells, select all cells containing the current formula plus empty cells where you want to have it, press F2 to switch to the edit mode, adjust the references in the formula and press Ctrl + Shift + Enter to update it.

How can I check my Excel version?

About Office: What version of Office am I using?
  1. Open any Office application, such as Word or Excel, and select Account.
  2. Under Product Information, you'll find your Office product name and, in some cases, the full version number.
  3. For more information, such as the bit-version, choose About Excel.

How do I turn off spill in Excel?

Remove cell spill-over from Excel data
  1. Select the data range.
  2. Press Ctrl G or F5 to open the Go To dialog.
  3. Click the Special button.
  4. Choose the Blanks option.
  5. Now, all the empty cells in the highlighted area will be selected.
  6. Just type a spacebar. This will go automatically into the active cell.
  7. DO NOT press ENTER.
  8. Press CTRL ENTER.

What is implicit intersection?

Implicit Intersection describes a formula behavior in Excel where many values are reduced to a single value. Typically, it happens when a range or array is passed into a formula meant to display a single result in a single cell. If the result is already single value, return the value.

What is a spill formula?

The term "spill" refers to a behavior where formulas that return multiple results "spill" these results into multiple cells automatically. The range of results returned by a formula that spills is called a spill range. When something on the worksheet blocks a spilled array formulas, it will return a #SPILL! error.

What is a spilled array formula?

Excel formulas that return a set of values, also known as an array, return these values to neighboring cells. This behavior is called spilling. Formulas that are currently returning arrays that are successfully spilling can be referred to as spilled array formulas.

What is a spill formula in Excel?

The term spill in Excel's literature is defined as populating multiple cells with a single formula. With the announcement of the dynamic arrays in September 2018, Excel formulas can now return (spill) an array of values into neighboring cells by starting with the cell containing the formula.

What is spill error in Vlookup?

Notice the #SPILL! errors. This error occurs because the VLOOKUP formula can now return more than a single value. In fact, when you use a range of cells in the very first parameter for VLOOKUP, it will now return a value for each cell in that range.

What is a spill error?

A #SPILL error occurs when a spill range is blocked by something on the worksheet. Sometimes this is expected. For example, you have entered a formula, expecting it to spill, but existing data in the worksheet is in the way. The solution is just to clear the spill range of any obstructing data.

How do you spill in Excel?

This error occurs when the spill range for a spilled array formula isn't blank. When the formula is selected, a dashed border will indicate the intended spill range. You can select the Error floatie, and choose the Select Obstructing Cells option to immediately go the obstructing cell(s).

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