File-Extensions.org forum

Hey folks,
I have found plenty of *.dub0, *.dub1, *.dub2 files on my Samsung S3. Any idea what they are ? they take up pretty much space on my SD card

dub0, dub1, dub2 are files created by Samsung Kies software:

http://www.file-extensions.org/dup0-file-extension
http://www.file-extensions.org/dup1-file-extension
http://www.file-extensions.org/dup2-file-extension