I.R.I.S. Readiris Corporate 12 for Windows User Guide - Manual (Page 36)

Chapter 5 – Scanning documents
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Avoid selecting this option when opening very low-quality images,
however.
 Readiris supports the following graphic formats:
 Select the image file of your choice and click Open.
Note: the options of the Input dialog box also apply to document
scanning and are discussed in the Scanning paper documents
section.
S CANNING PAPER DOCUMENTS
With Readiris you can either process paper documents you scan
with your scanner or process already existing images files of
various formats.