Appends arrays horizontally and in sequence to return a larger array
Master the fundamentals of Excel HSTACK function
The HSTACK function combines multiple arrays horizontally (side by side) into a single array. It is part of the new dynamic array functions in Excel.
HSTACK places arrays next to each other horizontally, creating a wider combined array
Arrays are aligned by their top row, with shorter arrays padded with #N/A
HSTACK returns a dynamic array that automatically resizes based on the combined dimensions
Function-specific parameters
Function-specific return type
HSTACK places arrays next to each other horizontally, creating a wider combined array
Arrays are aligned by their top row, with shorter arrays padded with #N/A
HSTACK returns a dynamic array that automatically resizes based on the combined dimensions
Exact matching required
Returns numeric position
Handles missing text gracefully
=HSTACK(array1, array2, ...)The first array to stack horizontally
Optional. Additional arrays to stack horizontally
Optional. More arrays to stack horizontally
A combined array with all input arrays stacked horizontally
Description: HSTACK(array1, [array2], ...)
Basic HSTACK function
Combines A1:A3 and B1:B3 horizontally into a single array
VBA implementation for HSTACK.
Sub HSTACKExample()
Dim result As Variant
' Note: HSTACK is not available in VBA, use alternative methods
' This is a conceptual example
result = Application.WorksheetFunction.HStack(Range("A1:A3"), Range("B1:B3"))
MsgBox "HSTACK result: " & result
End SubArray combination
Data consolidation
Report generation
Dynamic arrays
Data analysis
#SPILL! error
Solution: Ensure there are empty cells to the right of the formula for the combined array to spill into
Unexpected array size
Solution: Check that all arrays have compatible dimensions for horizontal stacking