---
title: Size
framework: quicktime-file-format
role: symbol
role_heading: Data field
path: quicktime-file-format/track_exclude_from_autoselection_atom/size
---

# Size

A 32-bit integer that specifies the number of bytes in the track exclude from autoselection atom.

## Overview

Overview This must be 8, as this atom must contain no data.

## See Also

### Data fields

- [Type](quicktime-file-format/track_exclude_from_autoselection_atom/type.md)