I.R.I.S. Cardiris 4 - Manual (Page 56)

Chapter 7 – Reference Information
48
Output Format - Image
Before images can be exported, their output format must be
specified.
Operation
 Click the output format icon to select the output format.
Note: the output format is set to Tiff by default.
 By default the option Ask file name and location is checked.
The user is prompted to save the scans in external files.
 The Export to feature offers a direct link between your scanner
and your Mac OS photo editing applications. When no target
application is chosen, the images will be sent to the standard
Mac OS application Preview.
Cardiris supports the following image formats: GIF, JPEG, JPEG
2000, MacPaint, Photoshop, PICT, PNG, QuickTime, TIFF
(uncompressed, packbits and Group 3 compressed), multipage TIFF
and Windows bitmap (BMP).