> For the complete documentation index, see [llms.txt](https://docs.exploratory.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.exploratory.io/data-wrangling/unnest_wider.md).

# Separate List Items into Columns (Unnest Wider)

Unnest a list column or a list of data frames by making each element of the list to be presented in its own column.

## How to Access This Feature

You can access it from column menu of list columns. ![](/files/-MIer4JMIN9ep9ktj8E5)

## Separate List Items into Columns (Unnest Wider)

![](/files/-MIer4JTarH7w4-xLq5J)

* Column - List column to unnest.
* Repair Column Names (Optional) - The default is Unique Without Empty.
  * Override: Override existing column if resulting column name conflicts with existing one.
  * Unique without Empty: Make sure resulting column names are unique and not empty,
  * Unique without Special Characters: Make sure resulting column names are unique and do not have special characters.
* Column Name Separator (Optional) - If this is used, the names of unnested data frame columns are combined with list keys separated by the text.