A 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 open usf file

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USF file extension - Core Media Player XML universal subtitle format

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.

The 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.

This usf file type entry was marked as obsolete and no longer supported file format.

This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.

Updated: April 21, 2024

The default software associated to open usf file:

The Core Media Player picture or screenshot

The Core Media Player  Microsoft Windows software

Company or developer:
CoreCodec, Inc.

The Core Media Player is multimedia player that is able to playback various audio and video file formats, such as AAC, MP3, AC3, OGG, WMA, Real Audio, MPC, WAV, MOD, CDA, FLAC, MKA, APE, Matroska, Real Video, OGM, DivX 3.xx, 4.xx, 5.xx, MPEG-4. XviD, DVD***, AVI, MPEG-1, H.264, SVCD, VCD, OGM, DAT, IFO, VOB, WMV etc.

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:

Use compatible tools to work with *.usf files.

How to convert:

Probably can be converted to other formats.

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 File-Extensions.org's database).

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

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

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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