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# Data atom ('data')

An atom that contains the type and locale specific value of metadata.

## Overview

The Data atom has an atom type of `‘data’`, and contains four bytes each of type and locale indicators, as specified in [Type indicator](/documentation/QuickTime-File-Format/Type_indicator) and [Locale indicator](/documentation/QuickTime-File-Format/Locale_indicator), and then the actual value of the metadata, formatted as required by the type.

## Topics

### Data fields

[`Type indicator`](/documentation/quicktime-file-format/Data_atom/Type_indicator)

Four bytes that indicate a type of data that QuickTime supports.

[`Locale indicator`](/documentation/quicktime-file-format/Data_atom/Locale_indicator)

A four-byte value that indicates a locale.

[`Value`](/documentation/quicktime-file-format/Data_atom/Value)

An array of bytes containing the value of the metadata.


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