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MatchUp® Software

Merge/Purge Duplicate Records in Different Formats

MatchUp® is a powerful data and address deduplication (merge/purge) software that gives you many different ways of identifying duplicate records. MatchUp allows you to dedupe files in different formats with different name, address, and city/state/ZIP structures, without losing the time to manipulate files and get them into the same format. You can work with as many as 512 different files simultaneously.


  • Reduce costs associated with duplicate records
  • Gain a more accurate, single view of your customer data
  • Identify multiple records at the same address(householding)
  • Fast processing, 10-50 million records per hour


  • Process dBASE, ASCII, Excel, Access, SQL, & all ODBC- accessed files
  • Process files with different field structures
  • Assign priority for eliminating duplicates
  • Split name, address, and city/state/Zip fields
  • Get 17 different reports with user-modifiable headers

CASS Verify and Dedupe

Improve the performance of MatchUp’s merge/purge power with the CASS processing option to eliminate the duplicate records in your file along with the bad, undeliverable addresses. Complete CASS certification reports are provided (desktop CASS version only).

Identify Multiple Records at Same Address (Householding)

MatchUp identifies records in your databases that are members of the same household, business, or organization, reducing mailing costs by eliminating unnecessary multiple mailings.

MatchCode Dedupe software Editor Screenshot
MatchUp allows for the use of up to sixteen "matchcodes" in a single run to find duplicates faster.

Identify obvious duplicates like:

MatchUp Dedupe software Obvious Duplicates

And not-so-obvious duplicates like:

MatchUp Not So Obvious Duplicates

Microsoft® Windows XP® or newer; 2 gigabytes or better; also available as an API


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Melissa Data
The leading international provider of data quality and address verification software. Melissa Data's affordable, easy-to-use solutions for data cleaning and deduplication can be used separately or together to provide full global data quality. Melissa Data specializes in Microsoft .NET and SQL Server Integration Services, IBM, Java and Oracle environments with APIs, Web services and enterprise plugins that empower batch and real-time applications. Melissa Data's flagship Contact Zone enables data stewards to quickly create complex data quality and data integration routines with visual programming. Melissa Data also provides a full line of direct marketing solutions including mailing software, list hygiene and data append services, and a comprehensive line of mailing lists and sales leads.