Udf extension is related to Universal Disk File. You will need Uyap Editor software to open udf files.
Generally udf file extension stand for disc backup. However, in Turkey udf extension files are associated with ministry of justices product follow up software. If the extension is related to this software, you may need UYAP EDITOR software to open udf files.
Here is the link.
What to use udf
UDF disk format
which page related to udf file
udf Related Searches
You can check related links about udf fileextension.