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

# Size

The number of bytes in this reference movie atom.

## See Also

### Data fields

- [Type](quicktime-file-format/reference_movie_atom/type.md)
- [Reference movie descriptor atom](quicktime-file-format/reference_movie_atom/reference_movie_descriptor_atom.md)