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USF

usf icon

Core Media Player XML universal subtitle format

File type: Text file

A usf file extension is related to the Universal Subtitle Format used by Core Media Player.

Found 2 different file type records with the same usf filename suffix.

What is usf file?

File type category:
Text file

Date updated: July 13, 2025

Record marked as obsolete and not updated for a long time.

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.

How to open usf file?

Use compatible tools to work with *.usf files.

How to convert usf file?

Probably can be converted to other formats.

Suggested software to open usf file:

Associated software actions with the usf file

Software applications that can open usf files:

Microsoft Windows

Software applications that can edit usf files:

Microsoft Windows

Software capable of saving usf files:

Microsoft Windows

Programs for viewing usf files:

Microsoft Windows

no icon available The Core Media Player

Apple macOS / Mac OS X

Nintendo Ultra 64 sound format

File type category:
Audio and sound file

Date updated: May 14, 2019

Record marked as obsolete and not updated for a long time.

The usf file extension is also used for an audio format used on Nintendo Ultra 64 consoles.

USF is a file format which contains all the data needed to play a song from an N64 game. Once the song has been ripped into a USF file you can load it up in a player and listen to the music.

Related file extensions