UNIQUE function
The UNIQUE function is one of the lookup and reference functions. It is used to return a list of unique values from the specified range.
Syntax
UNIQUE(array, [by_col], [exactly_once])
The UNIQUE function has the following arguments:
| Argument | Description |
|---|---|
| array | The range from which to extract unique values. |
| by_col | The optional TRUE or FALSE value indicating the method of comparison: TRUE for columns and FALSE for rows. |
| exactly_once | The optional TRUE or FALSE value indicating the returning method: TRUE for values occurring once and FALSE for all unique values. |
Notes
Please note that this is an array formula. To learn more, please read the Insert array formulas article.
How to apply the UNIQUE function.
Examples
The figure below displays the result returned by the UNIQUE function.
