Question: How do I create a unique distinct list from a column sorted A to Z using array formula?

Answer:

Array formula in B15:

=INDEX(List, MATCH(MIN(IF(COUNTIF($B$14:B14, List)=0, 1, MAX((COUNTIF(List, "<"&List)+1)*2))*(COUNTIF(List, "<"&List)+1)), COUNTIF(List, "<"&List)+1, 0)) + CTRL + SHIFT + ENTER

Named range
List (B2:B12)
What is named ranges?

How to implement array formula to your workbook
Change the named range. If your list starts at, for example, F3. Change $B$14:B14 in the above formulas to F2:$F$2.

Download excel sample file for this tutorial.
Unique distinct list from a column sorted A to Z using array formula.xls
(Excel 97-2003 Workbook *.xls)

Functions in this article:

INDEX(array,row_num,[column_num])
Returns a value or reference of the cell at the intersection of a particular row and column, in a given range

COUNTIF(range,criteria)
Counts the number of cells within a range that meet the given condition

MATCH(lookup_value;lookup_array; [match_type]
Returns the relative position of an item in an array that matches a specified value

MIN(number1,[number2])
Returns the smallest number in a set of values. Ignores logical values and text

MAX(number1,[number2],)
Returns the largest value in a set of values. Ignores logical values and text.

IF(logical_test;[value_if:true];[value_if_false])
Checks whether a condition is met, and returns one value if TRUE, and another value if FALSE

This blog article is one out of thirteen articles on the same subject "unique".

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How to create a unique distinct list where other columns meet two criteria

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