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Undefined data
File type: Various data file
Files with undefined file extension can be usually found as renamed files that were not recognized by their programs during some loading or generating process.
File type category:
Various data file
Date updated: May 3, 2019
The undefined file extension is sometimes used by programs to label files whose origin or purpose is not clear.
These can be for example generated by file recovery systems that fail to recognize the file formats.
It may be possible that some undefined files can be only accessed with the program that generated them.
Perhaps some undefined files may be converted, but we do not know about any such conversion at this time.
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