The USF file extension is related to the Universal Subtitle Format used by Core Media Player.

There is one other file type using
the USF file extension!

empty icon.usf - Nintendo Ultra 64 sound format

Detailed description

Software that works with usf file extension

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USF file - Core Media Player XML universal subtitle format file

What is usf file? How to open usf files?

File type specification:

Text file type icon Text file type

The USF file extension is associated with the Universal Subtitle Format. A USF is a XML based subtitle file format that supports text formatting and styling. It is supported by popular players, like KMPlayer, VLC player, The Core Media Player etc.

The default software associated to usf file type:

VLC media player icon

VideoLAN Project Team logoVLC media player  Microsoft Windows software

Company or developer:
VideoLAN Project Team

Very popular multimedia player developed for Windows, Apple Mac, Linux, Unix and various other operating systems and platforms.

VLC can playback many of the video formats (AVI, MKV, OGV, WMV, ASF, MOV...) and audio formats (MP3, AAC, M4A, OGG, FLAC...) as well as support of subtitles for video. It can also be used as a streaming server and multimedia transcoder.

NotePad++ text editor icon

Notepad++ Team logoNotePad++ text editor  Microsoft Windows software

Company or developer:
Notepad++ Team

A very popular free text and source code editor. It supports syntax highlighting and syntax folding for C, C++, HTML, ASP, Java, Pascal, PHP, Cobol, CSS etc. Notepad++ also supports plugins to add new features. It is localized to many languages.

Help how to open USF files:

This file type is not meant to be opened directly, there is no software that could open and work with it directly, or there is no information available in public sources about opening this file type. This is usually the case of some internal data files, caches, temporary files etc.

How to convert file with extension USF:

As far as we know, this .usf file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

List of software applications associated to the .usf file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open usf file, edit usf file, convert usf file, view usf file, play usf file etc. (if exist software for corresponding action in's database).

Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is ableto perform the specified software action, such as opening, editing or converting usf files.

  • Open usf file
  • Edit usf file
  • View usf file

Software that open usf file - Core Media Player XML universal subtitle format file

Programs supporting the exension usf on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about NotePad++ text editor for open usf file action.

Microsoft Windows:

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USER file extension > Text file types

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