FuzzyDupes is a powerful software tool that utilizes advanced pattern matching algorithms to accurately and precisely detect similar records. The software offers a free demo with no limitations, giving users a chance to test it before committing to purchase.

The latest version, 2011, makes use of multi-core and 64-bit systems for even faster and more efficient searches. With FuzzyDupes, users can enjoy a range of helpful features, including fast fuzzy duplicate search in many data sources, fuzzy merging of two lists, and fuzzy matching with an external list. The software also allows for user-defined normalization rules and full Unicode support, making it easy to perform fuzzy duplicate searches in Unicode languages.
In addition to these impressive features, FuzzyDupes also boasts an improved user interface, direct deletion from MS Outlook and Windows address book, and many other refinements. This software supports several data sources, including MS-Access, MS-Excel, MS SQL-Server, text/CSV files, and other datasources with ODBC-driver, such as Oracle, DB2, MySQL, Postgres, etc. It is even compatible with MS-Outlook, Windows Addressbook, Windows Contacts, MS-Sharepoint Server, and BulkMailer Address Database.
Overall, FuzzyDupes is a powerful and effective solution for finding and removing duplicate records in your contact database. And with a free demo version that is fully functional and returns entire results, there's no reason not to give it a try.
Version 8.5.3: Some optimizations and improvements. Fix for VIEWS with MySql ODBC sources