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Excel BYCOL Function (365)

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The Excel BYCOL function applies a LAMBDA function to each column in a given array and returns the result per column as a single array. For example, if the array is 3 columns and 4 rows, it returns an array in 3 columns and 1 row.

Formula syntax



  • array: Required, an array that is used to process.
  • lambda: Required, a LAMBDA function to apply to each column of the array.
  • column: Required, a column from array.


The BYCOL function returns one result per column.


1. An invalid LAMBDA function or an incorrect number of parameters in the formula will return #VALUE error.

2. Not providing LAMBDA function or anything but a single value return from LAMBDA function will return #CALC error.


Excel 365

Usage and Examples

Basic usage

For getting the minimum value of each column in range A1:C4, please use the BYCOL function as this:


Press Enter key, then the minimum values in each column in array A1:C4 have been outputted.
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