All about ST Files

The ST file type is primarily associated with MATLAB.

ST	File extension: ST
	File type:	sleep/apnea annotations

What is an ST file?

ST files mostly belong to MATLAB by MathWorks. An ST file contains sleep/apnea annotations bundled with electrocardiogram recordings saved as part of MIT-BIH Polysomnographic Database. MATLAB development environment can load and visualize data saved in such files. A different ST file contains a database definition created by OpenEdge database management system. Another type of ST file is a program written in Smalltalk programming language. ST is also the filename extension of a disk image containing a program or video game built for Atari ST personal computer. Atari ST is discontinued but various Atari emulation programs can load an ST file containing a disk image.

How to open ST files

You need a suitable software like MATLAB to open an ST 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 ST file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a ST file directly in the browser:. Just drag the file onto this browser window and drop it.

Online ST Text Viewer

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Online File Viewer

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Programs that open and convert ST files:

MATLAB by MathWorks
See the previous paragraphs to learn more about the main application. ST files are often referred to as MATLAB data files because this type of file is primarily created or used by this software.
7zip (compressed data) by Igor Pavlov
7zip is a free archive file management and data compression program. Compressed data saved in an ST file can be opened and unpacked with 7zip. This file format is classified as Compressed.
Atari ST (disk image) by Atari
Atari ST is a discontinued personal computer with a graphical user interface. Disk images of its programs and video games are saved in ST files. This file format is classified as Disk Image. Related links: Emulator Zone
Code::Blocks (program) by The Code::Blocks Team
Code::Blocks is a free integrated development environment for building and debugging cross-platform applications. It uses an ST file to store a program written in Smalltalk programming language. This file format is classified as Developer. Related links: Smalltalk
Homeworld (game resources) by Juan Linietsky
Homeworld is a discontinued real-time strategy and space combat video game for PCs. It uses an ST file to save game resources. This file format is classified as Game.
NeoPaint (stamp) by NeoSoft
NeoPaint is a discontinued graphics design and photo editing software for classic MS-DOS and Windows platforms. A stamp designed with this program is saved in an ST file. This file format is classified as Data.
OpenEdge (database definition) by Progress
OpenEdge is a relational database management system and a domain specific programming language. It uses an ST file to store database definitions. This file format is classified as Database.
Scream Tracker (instrument library) by Future Crew
Scream Tracker is a discontinued music sequencer and sampler for classic DOS platforms. Instrument libraries used by Scream Tracker are saved in an ST file. This file format is classified as Audio.
ShakeTracker (data) by Juan Linietsky
ShakeTracker is a discontinued MIDI sequencer compatible with older Windows operating systems. It uses some data saved in an ST file. This file format is classified as Data.

ST file format:

To find out what program is needed to open ST files, you need to determine the file format. The first characters in a file identify the file format, for example, HTML files start with the bytes <html>. Nonetheless, different programs can utilize the same file extension to represent distinct file formats. Double-clicking on the file often results in an error when opening. If there are problems opening a file, you must first determine the file format used. In the following you will find our evaluation of the ST files:

You will often come across the ST file type. This covers a large number of different file formats. The file formats most commonly found in ST files are:

10% of all ST files use the same file format, which have the signature "0",1. If you open these files in a text editor, you can view and read the content yourself. The files are on average 87 KB in size and range from 4 KB to 210 KB. The file type was created recently. The following keywords are characteristic: BSJ7 and IMTR. Some examples of file names are ST20180601.ST.
8% of all ST files have the same signature 01 58. These files contain neither text nor words, but only data. Most of these files are 3 KB to 4 KB in size. Several words can almost always be found in the files, e.g. 4 L L L and 4 LA LA. The file name slp01a.st or slp01b.st is typical for these files.

All the rest of the ST files (82%) have different formats, often, for example, ZIP, state and time. Files like these are sometimes linked to state, global, tranem, gabe, node, manifest, signal or disk. Drag & drop your file here to see the file format and a preview of your ST file!

Technical Data for ST File Extension

File classification:

Data

Related files:

ac, st-, _st, ts, st_, zip, st3, %23st, st1, st4, stp, stl, ct, edf, cns, txt, srt, mt, sts, sit, mat, grl

Related links:

MIT-BIH Polysomnographic Database

Mime type:

text/x-stsrc, text/html, application/octet-stream

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: Automap.Map.NA.9
EXEFile: %ProgramFiles%\MIFAE3~1\Streets.exe %1

ProgramID: CertificateStoreFile
EXEFile: rundll32.exe cryptext.dll,CryptExtOpenSTR %1

ProgramID: FView.vst
EXEFile: %ProgramFiles%\FreshDevices\FreshView\fview.exe %1

ProgramID: MayaSTFile
EXEFile: D:\Maya5.0\bin\imf_disp.exe %1

ProgramID: MSMap.Datainst.8
EXEFile: %ProgramFiles%\COMMON~1\MICROS~1\Datamap\DATAINST.EXE

ProgramID: Photoshop.SepTablesFile
EXEFile: %ProgramFiles%\Adobe\Photoshop 7.0\Photoshop.exe

ProgramID: Photoshop.SepTablesFile
EXEFile: %ProgramFiles%\Adobe\Photoshop CS\Photoshop.exe

ProgramID: Photoshop.TGAFile
EXEFile: %ProgramFiles%\Adobe\Photoshop 7.0\Photoshop.exe %1

ProgramID: Photoshop.TGAFile.8
EXEFile: %ProgramFiles%\Adobe\Photoshop CS\Photoshop.exe %1

ProgramID: Presentations10.Master
EXEFile: %ProgramFiles%\Corel\WordPerfect Office 2002\PROGRAMS\Prwin10.exe /ddeex

ProgramID: UAFile
EXEFile: %ProgramFiles%\Corel\WordPerfect Office 2002\Programs\UA100.exe /qt %1

ProgramID: UAFile
EXEFile: %ProgramFiles%\WordPerfect Office 11\Programs\UA110.exe /qt %1

ProgramID: Winamp.File
EXEFile: %ProgramFiles%\Winamp\winamp.exe %1

ProgramID: MayaSTFile
EXEFile: %ProgramFiles%\Alias\Maya6.0\bin\imf_disp.exe %1

ProgramID: stfile
EXEFile: %ProgramFiles%\WinSTon\winston.exe %1

ProgramID: MayaSTFile
EXEFile: %ProgramFiles%\Maya5.0\bin\imf_disp.exe %1

ProgramID: MayaSTFile
EXEFile: %ProgramFiles%\Alias\Maya6.5\bin\imf_disp.exe

ProgramID: MayaSTFile
EXEFile: %ProgramFiles%\Alias\Maya7.0\bin\imf_disp.exe

ProgramID: infoteam.STEdit.Document.1.0
EXEFile: %ProgramFiles%\OPENPCS\CXEDIT.EXE

ProgramID: NeoPaint.DOSStamp
EXEFile: %ProgramFiles%\NeoPaint for Windows\NeoPaint.exe

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an st sleep/apnea annotation is a special file format by MathWorks and should only be edited and saved with the appropriate software.

How to solve problems with ST files

Associate the ST file extension with the correct application.
Update your software that should actually open sleep/apnea annotations. Because only the current version supports the latest ST file format. Search, therefore, e.g. on the MathWorks manufacturer website after an available MATLAB update.
To make sure that your ST file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .ST file online - secure, fast, and no downloads needed.