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Excel RANDARRAY function (365)

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The Excel RANDARRAY function returns an array of random numbers. It supports specifying the numbers of rows and columns to fill, and the maximum number and the minimum number of the random numbers, and the whole number or decimal number returned.

Syntax and arguments

Formula syntax



  • Rows: Optional, the number of rows to fill, Default (omitted) is 1.
  • Columns: Optional, the number of columns to fill, Default (omitted) is 1.
  • Min: Optional, the minimum number to return, Default (omitted) is 0.
  • Max: Optional, the maximum number to return, Default (omitted) is 1.
  • Integer: Optional, a logical value (TRUE/FALSE) decides to return a whole number or decimal number. TRUE returns whole number, FALSE returns decimal number. Default (omitted) is FALSE.

Note: if all arguments are omitted, RANDARRAY returns one random number between 0-1.

Return Value

The RANDARRAY function returns an array.


Excel 365 and Excel 2021.

Usage and Examples

Example1 return a random number between 0-1

Select a cell and place the formula


Press Enter key.
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Example2 return random whole numbers between 1-50 in a table with 3 rows and 5 columns

Select a cell and place the formula


Press Enter key.
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Other Functions:

  • Excel ROMAN Function
    The Excel ROMAN function converts an Arabic number to a Roman numeral as text.


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