Opening an FST File

The FST file type is primarily associated with Heroes & Generals.

FSTFile Extension FST
File extension: FST
File type:  map

What is an FST file

FST files mostly belong to Heroes & Generals by Three Little Monsters. An FST file contains the map of a scene or terrain in Heroes & Generals first-person shooter military warfare video game. Another type of FST file is an audio track or an audio track's channel's state saved by FL Studio music production software. Kaldi speech recognition/analysis toolkit uses an FST file to save a graph. A different FST file contains rhythm song formula data created by MRS-802 multitrack music recording workstation. The settings of FaxMaker secure fax software are also saved in an FST file.

How can I open an FST file?

You need a suitable software like Heroes & Generals to open an FST file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your FST file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a FST file directly in the browser:. Just drag the file onto this browser window and drop it.

Online FST Text Viewer

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Programs that open and convert FST files:

  1. Heroes & Generals by Three Little Monsters
    See the previous paragraphs to learn more about the main application. FST files are often referred to as Heroes & Generals games because this type of file is primarily created or used by this software.
  2. 7zip (data) by Igor Pavlov
    7zip is a file compression program compatible with Windows desktop. It can open and inspect/unpack the contents of a ZIP archive with FST filename extension. This file format is classified as Compressed.
  3. dbFast (linkable program) by Computer Associates
    dbFast is a discontinued GUI and command-line application development environment. A linkable program created by dBFast is saved in an FST file. This file format is classified as Executable.
  4. FastStats (data) by Mach5
    FastStats is a system/application log analysis software. It uses some kind of data saved in an FST file. This file format is classified as Data.
  5. FAXmaker (configuration) by GFI
    FaxMaker is a server application for sending and receiving faxes to/from an email client. It saves its configuration in an FST file. This file format is classified as Settings.
  6. FL Studio (track or channel state) by Image Line
    FL Studio is a digital audio workstation compatible with macOS and Windows desktop. Some versions of FL Studio use an FST file to save an audio track's or audio track channel's state. This file format is classified as Audio.
  7. Kaldi (graph) by Kaldi Devlopers
    Kaldi is a speech recognition/analysis toolkit with data visualization support. It uses a graph (speech graph) saved in an FST file. This file format is classified as Data.
  8. MRS-802 (rhythm song formula data) by Zoom
    MRS-802 is a professional multi-track audio recording studio equipment. Rhythm song formula data used by MRS-802 is saved in an FST file. This file format is classified as Audio.

FST file format:

Each file has a definite file format, that is, how the stored data is arranged in the file. The file format can be determined based on the file extension and the signature (the first few characters of a file). If the file extension does not match the file format, double-clicking on the file will cause an error upon opening. So you need a detailed analysis of a file to find out the format and the associated program. Our evaluation of the FST files looks like this:

You will often come across the FST file type. This includes different formats for the applicable programs. The two most common formats are as follows:

The remaining 40% of all FST files are different files with different signatures, the following 10 formats can be found: FASA Interactive game data archive, FAST input, FutureVision FST video, ZIP, FST, PAAP, mfv and FAST. The category is name, nicotiana, search, model, table, estate, oregon, taiwan, flute, sauce, data, kick, real, size, trap, wave, waxy or weir. If you want to find out which format your FST file belongs to, just click on the button "Choose your .fst file to analyze".

Technical Data for FST File Extension

File classification:
Game
Related files:

The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and file extension information submitted by users.

ProgramID: FastStatsAnalyzer.Document, FileType: FastStatsAnalyzer Document, AppName: FastStats Analyzer, a web server log file analysis tool

ProgramID: FastStatsAnalyzer.Document
EXEFile: %ProgramFiles%\MACH5E~1\FASTST~1\Analyzer.exe %1

ProgramID: FSTFile
EXEFile: %ProgramFiles%\Image-Line\FLStudio5\FL.exe %1

ProgramID: FastSite.Document
EXEFile: C:\lotus\fastsite\fastsite.exe %1

ProgramID: MoreInfo
EXEFile: %ProgramFiles%\Netzip Classic\MoreInfo.exe %l

ProgramID: FSTFile
EXEFile: C:\Documents and Settings\Josh Allen\My Documents\MISC\Fruity Loops\FL.exe %1

ProgramID: FSTFile
EXEFile: %ProgramFiles%\FL Studio\FL.exe %1

ProgramID: FSTFile
EXEFile: %ProgramFiles%\Image-Line\FL Studio 6\FL.exe %1

ProgramID: FSTFile
EXEFile: %ProgramFiles%\FL.exe

ProgramID: FL.Document
EXEFile: %ProgramFiles%\Image-Line\FLStudio5\FL.exe

ProgramID: FSTFile
EXEFile: %ProgramFiles%\FL.exe

ProgramID: FSTFile
EXEFile: %ProgramFiles%\Image-Line\FL Studio 7\FL.exe

ProgramID: FSTFile
EXEFile: %ProgramFiles%\Image-Line\FL Studio 8\FL.exe


an fst map is a special file format by Three Little Monsters and should only be edited and saved with the appropriate software.

How to solve problems with FST files

  • Associate the FST file extension with the correct application.
  • Update your software that should actually open maps. Because only the current version supports the latest FST file format. Search, therefore, e.g. on the Three Little Monsters manufacturer website after an available Heroes & Generals update.
  • To make sure that your FST file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
  • Click here to open your .FST file online - secure, fast, and no downloads needed.
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