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Identify & Dedupe Duplicate Records

Unlock the power of intelligent matching with MatchUp – available as a developer API or desktop software. MatchUp enhances the efficiency and effectiveness of your database by giving you the ability to prioritize, sort, consolidate, and match customer and prospect records, using customizable criteria to give you a single, accurate view of each customer.

Your customer data can reside in multiple operational systems. So how can you tell what a single customer's value is to your business? MatchUp allows you to generate a complete, unified view of your customers, eliminating most of the frustrations experienced with conventional solutions.


  • Reduce costs associated with duplicate records
  • Gain a more accurate, single view of your customer data
  • Identify multiple records at the same address
  • Easy-to-Use -- eliminates "rules-based" matching


  • Process files with different field structures
  • Assign priority for eliminating duplicates
  • Split name, address, and city/state/Zip® fields
  • Free unlimited technical support. Learn more.
  • 120-Day ROI Guarantee. Details here.

MatchUp Object is fast and powerful programmer’s tool that can be integrated into custom applications to find and eliminate duplicate records.

MatchUp Object Identify & Dedupe Duplicate Records

Identifying Duplicates – From Obvious to Not So Obvious

3 Ways to Dedupe Your Contact Data

  1. Read/Write Deduping – Compares records and one or more databases at once. Each unique group will hav`e one record that receives an “output” status; the other matching records receive a “duplicates” status. Ideal for batch merge/purge/suppressing existing data.

    1 - Read/Write Deduping - MatchUp Object

  2. Incremental Deduping – Compares each record as they come in and against a database of already processed records. Ideal for real-time data entry. If the incoming record is new, it can be added to the existing database Match.

    2 - Incremental Deduping

  3. Hybrid Deduping – Gives you the flexibility to customize the process if your environment requires internal key storage or comparisons to smaller clusters of records. Ideal for real-time data entry or batch processing entire lists.

    3 - Hybrid Deduping

Identify Multiple Records at Same Address

When a customer receives three or four of your catalogs in a single day because all the adults in the household have made a purchase from your website, it doesn't reflect well on your business. MatchUp helps you identify records in your databases that are members of the same household, business, or organization, reducing mailing costs by eliminating unnecessary multiple mailings. MatchUp aggregates multiple household records into a single record, providing you with the information you need to evaluate the total sales relationship.

MatchUp is an essential data management tool for reducing marketing costs, eliminating waste, improving customer satisfaction, and increasing the overall effectiveness of your contact database.

Create Your Own MatchCodes

With MatchUp Object you can set up your own matching rules (called Matchcodes) in any combination of over 35 components from common ones like Zip Code, Address, and Last Name – to no-so-common elements like Email Address, Company, Social Security Number. You can even specify your own proprietary data component, such as an account number, using the MatchCode editor or programmatically.

Match Code Editor

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.

MatchUp Software

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

System Requirements

Microsoft® Windows XP® or newer; 2 gigabytes or better

Identify and merge/purge duplicate records with MatchUp Upload a sample of your data for a free analysis

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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.