Did you find or received DUP file and your computer failed to open it? Below we will explain what is DUP file extension and how you can open it.

What is a DUP file ext?

DUP is a file extension associated with Duplicate Backup.

How to open a DUP file?

In most cases your computer should know what software program should be used to open different file types and extensions like DUP. When you double click on the DUP file format, it should open with appropriate software program. If you downloaded or received DUP files for the first time and your system failed to open it then try free file viewers available on the internet after doing enough research not to fall prey to malware.

How to fix errors with DUP files

Scan the file
Before trying to open DUP files on your Windows make sure that it is safe to do so by running through antivirus scanner.
Unable to open DUP files with the associated software program or see an error than try updating the associated software
Do not
If none of the applications in your Windows were able to open DUP file do not change file extension because by changing file extension you are corrupting the file. In case you already changed the extension you can revert it back to DUP by renaming the file. Incorrect associations are the cause of many DUP file errors.

Finally, 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 registry scan.

You are currently viewing the detail page for DUP file ext. 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.