---
title: "Preview atom ('pnot')"
framework: QuickTime File Format
role: symbol
role_heading: Atom
path: quicktime-file-format/preview_atom
---

# Preview atom ('pnot')

An atom that contains information that allows you to find the preview image associated with a QuickTime movie.

## Overview

Overview The preview image, or poster, is a representative image suitable for display to the user in, for example, Open dialog boxes. The preview atom has an atom type value of 'pnot'.

## Topics

### Atom fields

- [Size](quicktime-file-format/preview_atom/size.md)
- [Type](quicktime-file-format/preview_atom/type.md)
- [Modification date](quicktime-file-format/preview_atom/modification_date.md)
- [Version number](quicktime-file-format/preview_atom/version_number.md)
- [Atom type](quicktime-file-format/preview_atom/atom_type.md)
- [Atom index](quicktime-file-format/preview_atom/atom_index.md)