Updated: 11/13/2018 by Computer Hope

UDF may refer to any of the following:

1. Short for Universal Disk Format, UDF is a file system first developed in 1995 by OSTA (Optical Storage Technology Association) and is commonly used with CD and DVD drives. UDF is supported on all operating systems, which allows a CD created on a Windows machine to be readable on a Macintosh machine.

2. Short for user-defined function, UDF is a function that can be modified to fit the user's needs.

3. Short for user-defined font, UDF is a font specified by the user and not the software program.

Computer acronyms, DLA, Typography terms