The dup0 file extension appears when a Samsung device syncs with the Samsung Kies software. Samsung Kies duplicates files to smoothly transfer them between devices and computers. The number 0 means the duplicated file is a music or audio file originally. You can safely delete dup0 files after transfer without problems.
To open dup0 files install a program that handles them. On our site is a complete list of programs supporting dup0 files for different systems. For the most secure download, get the Samsung Kies installer from the Samsung website. Update Samsung Kies to the latest version.
These dup0 files generate when a Samsung device having Android OS syncs with the Samsung Kies software. They duplicate multimedia files, usually music or photos. They serve no purpose, just take up space. You can freely delete them. A dup0 file is typically named filename.mp3.dup0.
To open, remove the *.dup0 extension to access the original file normally. To convert, restore the original file extension by removing the *.dup0 extension.
The Samsung Kies program and Android OS use the dup0 file extension. When connecting devices, dup0 files automatically generate to duplicate transferred media files. They have temporary purpose in case of sync errors. After syncing, they can be safely deleted.
First, double-click the dup0 file to open it. If unsuccessful, install and open with a program supporting dup0 files. We list programs opening dup0 files. Installing one will typically fix issues opening dup0 files.
File Deletion Utilities