File extension DUP (.DUP) information

Click to Run a Free Scan for ( .DUP ) Errors

Windows cannot open DUP files?

If Windows is unable to open file extension .DUP you may have registry related errors or may not have the appropriate program installed. We strongly recommend that you run a free registry scan.

Appropriate program:

DUP is a file extension associated with Duplicate Backup. Incorrect associations are the cause of many file extension errors. Scan your system to prevent, identify and repair DUP file extension association errors.

Recommendations for file extension DUP users:

General information

Common errors/





File extension DUP scan

Free system scan

Step 1:
Select your operating system:

free scan
More info

You are currently viewing the detail page for DUP file extension. This page contains a detailed description of the DUP file type, software tools to help resolve file association errors in the Windows registry together with relevant system utility applications and other related information.
Uniblue Systems Microsoft Certified Partner
File Extension Details