I.R.I.S. Cardiris Pro 5 - Manual (Page 79)

Cardiris TM 5 – User Guide
73

In the Find duplicates window, select the search parameters you
want to use. Duplicate contacts can be contacts who have
matching:
o company names, first names and last names
o first names and last names
o first names
o last names
o e-mail addresses

Then click the Find Duplicates button.
Cardiris lists the duplicate contacts (and indicates between brackets
how many duplicates have been detected per card).