.QTIF File Extension
File TypeQuickTime Image File
What is a QTIF file?
Image file created and compressed with Apple QuickTime; may be referenced by programs and movies that are based on QuickTime; uses the same atom types as a QuickTime movie: "idsc" (which contains the image description) and "idat" (which contains the image data).
Apple recommends using the .QIF extension for QuickTime images.