I.R.I.S. Readiris Corporate 12 for Mac User Guide - Manual (Page 26)

Chapter 4 – Using Drop2Read
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Click the lists to change the settings. Any settings you change
will be saved when you close the Drop2Read window. The next
time you want to process documents using the same settings,
simply drag the documents to the Drop2Read icon on the Dock.
Note that Drop2Read uses basic settings. Use Readiris if you
want to apply advanced settings when processing documents.
Tip: for more information about the available output formats, see the
section Formatting documents. Again, not all options apply to
Drop2Read.