Notes about the DUPX file extension:
Incorrect file associations could be the result of underlying issues within your PC system. As such it is highly recommended to scan your PC for invalid registry entries, unused processes and other unfavourable system settings to identify slowdown issues.
The DUPX file type is primarily associated with 'DuupeCheck' by Logix Business Integration. DuupeCheck is a data cleansing and migration utility developed by Logix Business Integration that allows you to find duplicate records in Salesforce.com or in an Excel or CSV file, merge them, and update your database through the Salesforce.com API, SQL statements generated by DuupeCheck, or export/import of Excel and CSV formatted files. This file includes all settings, version information, project description and data related to a DuupeCheck project. Records imported into the project are stored separately in XML and XSD files with the same root file name in the same directory.
Detailed information for file extension DUPX:
File classification: XML
Mime type: application/xml
Important: Invalid file associations could be the result of underlying issues within your Windows PC. It is highly recommended that you scan your PC for invalid registry entries, unused processes and other slowdown issues.