The benefit of this approach is that with any change in the source data, all 3 arrays will be recalculated and updated automatically by Excel. Where E3 is the topmost cell of the first array and E12 is the topmost cell of the second array. returned by dynamic array formulas, you can join such arrays by using the spill range operator, which is a hash tag (#) appended to the address of the upper left cell in the spill range.įor example, to combine two arrays generated by the UNIQUE function in the screenshot below, you can use this formula: If the arrays you are combining are dynamic, i.e. =VSTACK(Table1, Table2) Merge dynamic arrays Simply, supply table references to VSTACK and HSTACK, and you won't have to worry about updating your formulas no matter how many new row/columns of data are added to the source tables. Given that Excel tables automatically expand to include new data, this is a perfect solution for data sets of variable size. =VSTACK(, A2:C6, A10:C14)Īs a result, you'll get two ranges stacked vertically below each other.Īside from arrays and ranges, the VSTACK and HSTACK functions can also merge multiple Excel tables into one. In situations when column headers or some values are missing the original ranges, you can supply the missing data in an array constant directly to the VSTACK or HSTACK function. In real worksheets, you would normally join only data without column headers. For example:įor better visualization, we are combining ranges including their headers. In this case, the ranges are placed below each other. To combine multiple ranges into a single vertical stack, utilize the VSTACK function. In this case, the ranges are stacked next to each other. To merge multiple ranges into a single horizontal stack, use the HSTACK function. Stack arrays horizontally or verticallyĭepending on the structure of your original arrays and the layout of your worksheet, you can prefer combining ranges vertically or horizontally. The below examples will give you some inspiration to get started and show best practices approaches. With the VSTACK and HSTACK functions, combining ranges in Excel is really easy and straightforward. How to combine arrays in Excel - formula examples To have new data included in the resulting array automatically without updating the formula, you can use Excel tables for source arrays or refer to dynamic arrays as explained in the above-linked examples.As soon as any change in the original arrays occurs, the returned array is updated at once. The resulting array automatically spills into as may cells as needed. The formula should be entered just in one cell - the leftmost cell of the destination range.The functions can merge ranges of cells, named ranges, array constants, and dynamic arrays returned by other formulas.To effectively use the VSTACK and HSTACK functions in your worksheets, here are some key facts to take note of: VSTACK and HSTACK functions - things to remember =HSTACK(C4:F6, I4:L6) VSTACK and HSTACK availabilityīoth functions are only available in Excel for Microsoft 365 (Windows and Mac) and Excel for the web. ResultĪs an output, the HSTACK function returns a single array that has as many columns as all of the source arrays combined and as many rows as the tallest of the source arrays.įor example, to combine two ranges horizontally, the formula is: Only array1 is required additional arrays are optional. Where arrays are cell ranges or arrays to join. The VSTACK function takes the following arguments: Each subsequent array is appended to the first blank cell at the bottom of the previous array. The VSTACK function in Excel combines multiple arrays or ranges vertically into a single array.
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