This is a PPWIZARD command line switch. You can set up your own default switches in the "PPWIZARD_OPTIONS" environment variable.
Sometimes you may wish to process most files with a few exceptions,
this switch allows you to specify those exceptions. The switch may be
used as many times as required.
ppwizard *.IT /Exclude:TEST*.IT /Exclude:TRY?.IT /Output:OUT\*.html