UNDF

Undefined file format
File type: Various data file
Files with undf file extension can be typically found as files in some kind of Undefined File Format. Most likely highly specialized.
What is undf file?
File type category:
Various data file
Date updated: June 14, 2023
File extension undf is sometimes used by various recovery software for files that were recovered, but their format could not be recognized.
It can't be easily described what kind of file type it is. The most common software that mentions this file type is VLC, but it's just a generic label for undefined file type.
How to open undf file?
UNDF format can probably be only opened using a special software.
How to convert undf file?
We do not know about any possible conversion for .undf files at this time.