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How to open .UST file extension?

File Type : WiFi SiStr Exported User Theme (
Compatible with (WinXP,Vista,Win7,Win8 and Win10)

Looking for a program to open .UST files?

"Windows unable to open a file!" is probably the most common error faced by millions every day. This is either because the program required to open a file is not available on your system or there may be other issues.

We recommend that you run a free scan to check for missing drivers.



What is .UST file extension?

.UST file extension is a known file type. This section of tells you everything you need to know about this extension.
File created by UTAU, a vocal synthesizer similar to YAMAHA's VOCALOID and VOCALOID2 software; supports musical notes as well as dynamics, vibrato, pitch, and lyrics; often used for storing music for Japanese vocaloids, which are virtual characters used by sing and dance games. UST files can be played back in the UTAU, and they can be exported to MIDI (.MID) or VOCALOID (.VSQ) formats or rendered to a .WAV file. UTAU can also import VSQ and MIDI files and convert them to UST files.
You can see a list of software programs here on that can open this file type so that you don’t need to search for it on the web. You can then open your file with this extension using a software listed below.

Software that can be used to open .UST files:

Microsoft Windows:
  • UTAU