Opening an S File

The S file type is primarily associated with Modula-3.

S	File extension: S
	File type:	foreign assembly source code

What is an S file?

S files mostly belong to Modula-3 by DEC. S files are typically source code files of computer programs. The source code of various assembly languages such as Modula 3, Scheme, and Pascal are stored in S files. Firefox, a cross-platform browser uses S files to store "saved passwords". S file extension is also associated with a 3D geometry format used by Train Simulator game. Such S files are shape files containing the geometry, image, texture, visual effects, and size data for a train simulation. DigitalMicrograph, an image and spectrum data analysis software uses S files to store scripts. Nitpicker, an Internet traffic data collection program for Linux systems renames its U files to S files at the end of a dumping period. Some obsolete audio recording and editing software by Akai, such as the Akai S1000, S1100, S01, S3000, S3200, and S2000 stored 12-bit and 16-bit mono audio samples in S files.

How to open an S file

You need a suitable software like Modula-3 to open an S 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 S file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a S file directly in the browser:. Just drag the file onto this browser window and drop it.

Online S Text Viewer

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Programs that open and convert S files:

Modula-3 by DEC
See the previous paragraphs to learn more about the main application. S files are often referred to as Modula-3 developers because this type of file is primarily created or used by this software.
DigitalMicrograph (script) by Gatan
DigitalMicrograph is a software that provides TEM users with a package to acquire, process, analyze, and present image and spectrum data. Script files that are used by DigitalMicrograph have S filename extension. This file format is classified as Developer. Related links: Gatan Microscopy Suite Software
Firefox (saved password data) by Mozilla
Fireforx is a cross-platform, free and open source web browser. It uses S files to store "saved user passwords". The file is stored with a number as the root name and S as the extension. This file format is classified as Data.
Free Pascal (Assembler data) by FPC Development Team
Free Pascal (aka FPK Pascal) is a Pascal program compiler available for 32 and 64 bit processors. The assembler file created with the Linux and DOS versions of Free Pascal have S file extension. This file format is classified as Developer.
Multi-Edit (macro source code) by Multi Edit
Multi-Edit is a legacy plain text editor software optimized for programming purposes. It features tools for creating/editing macros and source code of various programming languages. Macro source code written with Multi-Edit are stored in S files. This file format is classified as Developer.
Nitpicker (backup IP flow data) by Nitpicker Team
Nitpicker is a utility for collecting Internet traffic (IP) data. The program stores and renders the collected data in comprehensible formats using Flowfiles. The flowfile is called FLOW.<unixtimestamp>.U. At the end of a dumping period, the U files will be renamed to S. This file format is classified as Web (source). Related links: SourceForge Project Page
Scheme (source code) by MIT
Scheme is an integrated development environment for the Scheme programming language. It consists of a code editor, interpreter, debugger, interpreter, and a runtime library. Low level assembly source code written with Scheme are stored in S files. This file format is classified as Developer.
Train Simulator (model shape and geometry) by Microsoft
Train Simulator is a discontinued train simulation game. The S file used by Train Simulator is a shape file containing 3D geometry data used to customize the appearance and shape of locomotives. This file format is classified as 3D Image.
Visual Studio Code (source code) by Microsoft
Visual Studio Code is a powerful integrated development environment with a support for various programming languages. The program can be used to create, edit, and compile low level Assembly language source code (S) files. This file format is classified as Developer.
Xcode (Core Assembler program) by Apple
Xcode is a versatile text/code editor for writing programs that run on Mac and iOS devices. It is also used to create Mac OS X applications by assisting in the migration of code from other languages. Core assembler programs written, edited, or used by Xcode have S file extension. This file format is classified as Developer.

S file extension format:

Why is it important to know the file format? This is the only way to find out which program to use to open the file. The first characters in a file identify the file format, for example, HTML files start with the bytes <html>. If the file extension does not match the file format, double-clicking on the file will cause an error upon opening. Exact knowledge of the format is therefore important in order to solve problems occurring in files. Below you will find our evaluation of the S files:

The S file type is a very commonly used file extension and is used by many programs, each with its own file format. But the following two file formats are common:

20% of all S files use the popular PDF file format. PDF is short for Portable Document Format, is a file format to present documents, including text formatting and images, in a manner independent of application software, hardware, and operating systems. If you open these files in a text editor, you will see only illegible characters. A typical file size is 270 KB. The file type is relatively new. Files like these are about newtownforbes and cert.
7% of all S files start with the bytes SIMISA@, which are crucial for this file format. The contents of these files cannot be read by a human; only a computer program can interpret the data. The file size is in the range of 14 KB to 550 KB. Several words can almost always be found in the files, e.g. SIMISA@F. These files are attributed to loco.

All other S files (73%) have no consistent format, often, for example, Digital Micrograph Script, JPG, JSON, SQL, GZIP, ZIP, asm, data and text. The category is chall, startup, boot, challenge, digest or hello. If you want to find out what your S file contains, drag and drop it onto this page.

Technical Data for S File Extension

File classification:

Developer

Related files:

sd, check, somopen, 604, s_, ace, som, values, s19, file, asm1, eng, a, zip, arm, srec, t, guess, wag, exe, is, ig, i3

Mime type:

text/x-asm, text/x-assembly, text/s

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: asmfile, FileType: Assembler Source, AppName: Microsoft Visual Studio .NET 2002
EXEFile: devenv.exe

ProgramID: CardImg, AppName: ShowCardTool

ProgramID: AcroDist
EXEFile: %ProgramFiles%\Adobe\Acrobat 6.0\Distillr\acrodist.exe %1

ProgramID: AcroDist
EXEFile: %ProgramFiles%\Adobe\Acrobat 7.0\Distillr\AcroDist.exe %1

ProgramID: ask.maestro.session
EXEFile: D:\Documents and Settings\Administrator\My Documents\majestro.exe %1

ProgramID: asmfile
EXEFile: %ProgramFiles%\Microsoft Visual Studio .NET\Common7\IDE\devenv.exe /dde

ProgramID: JSFile
EXEFile: %ProgramFiles%\PANDAS~1\PANDAP~1\PavScrip.exe %1 %*

ProgramID: JSFile
EXEFile: %SystemRoot%\System32\WScript.exe %1 %*

ProgramID: MyDVD.File
EXEFile: %ProgramFiles%\Sonic\MyDVD\MyDVD.exe %1

ProgramID: PDVDmpgfile
EXEFile: %ProgramFiles%\CyberLink\PowerDVD\PowerDVD.exe %L

ProgramID: SmackScript.Application
EXEFile: %ProgramFiles%\Smacker\Smackscw.exe %1

ProgramID: Source.Document
EXEFile: C:\DOWNLO~1\ARM\ARM202U\BIN\APM.EXE %1

ProgramID: tsfile
EXEFile: %ProgramFiles%\K-Lite Codec Pack\Media Player Classic\mplayerc.exe %1

ProgramID: VisualStudio.asm.7.1
EXEFile: %ProgramFiles%\Microsoft Visual Studio .NET 2003\Common7\IDE\devenv.exe /dde

ProgramID: ZipZag.s
EXEFile: %ProgramFiles%\ZipZag\zipzag.exe %1

ProgramID: VisualStudio.asm.7.1
EXEFile: %ProgramFiles%\Visual Studio .NET 2003\Common7\IDE\devenv.exe /dde

ProgramID: VisualStudio.s.8.0
EXEFile: %ProgramFiles%\Microsoft Visual Studio 8\Common7\IDE\devenv.exe /dde %1

ProgramID: VCExpress.s.8.0
EXEFile: %ProgramFiles%\Microsoft Visual Studio 8\Common7\IDE\VCExpress.exe /dde %1

ProgramID: VCExpress.s.8.0
EXEFile: %ProgramFiles%\Microsoft Visual Studio 8\Common7\IDE\VCExpress.exe /dde

ProgramID: VisualStudio.s.9.0
EXEFile: %ProgramFiles%\Microsoft Visual Studio 9.0\Common7\IDE\devenv.exe

ProgramID: VCExpress.s.9.0
EXEFile: %ProgramFiles%\Microsoft Visual Studio 9.0\Common7\IDE\VCExpress.exe

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an s foreign assembly source code is a special file format by DEC and should only be edited and saved with the appropriate software.

How to solve problems with S files

Associate the S file extension with the correct application.
Update your software that should actually open foreign assembly source codes. Because only the current version supports the latest S file format. Search, therefore, e.g. on the DEC manufacturer website after an available Modula-3 update.
To make sure that your S file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .S file online - secure, fast, and no downloads needed.