---
title: Recommended file type and suffix
framework: QuickTime File Format
role: article
role_heading: Article
path: quicktime-file-format/recommended_file_type_and_suffix
---

# Recommended file type and suffix

Identify your image file with a file type and suffix.

## Overview

Overview On Mac OS systems, QuickTime image files are identified by the file type 'qtif'. Apple recommends using the filename extension .QIF to identify QuickTime image files.

## See Also

### Storing image data

- [Atom types in QuickTime image files](quicktime-file-format/atom_types_in_quicktime_image_files.md)