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S43 file extension

The table below provides useful information about the .s43 file extension. It answers questions such as:

  • What is the .s43 file?
  • What program do I need to open a .s43 file?
  • How can the .s43 file be opened, edited or printed?
  • How can I convert .s43 files to another format?

We hope you find this page helpful and a valuable resource!

1 extension(s) and 0 alias(es) found in database

✅ IAR System MSP430 Assembly Source Code

S43 file is an IAR System MSP430 Assembly Source Code. IAR Systems provides completely integrated kits for development of embedded applications based on ARM, 8051, MSP430 and R8C/M16C/M32C.
S43 format description not yet available
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
S43 aliases:
S43 related links:
S43 related extensions:
Assembly Source Code

C Source Code

C++ Source Code

Visual C++ Dialog

Fortran Source Code

C Header File

Microsoft Visual Studio Workspace Options

Modula-3 Source Code

Pascal/Delphi Source Code

Visual C# .NET Class

Other types of files may also use the .s43 file extension.

🚫 The .s43 file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

q43, s3, s4e, se3, sr3, st3

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

SIR Index and Data
Aqbanking Q43 Data
Airplay SDK Header File
Tales of Vesperia Audio
Star 3 MIDI Karaoke File
Freescale S-record File

🔴 Can't open a .s43 file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .s43 file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .s43 file extension, write to us!

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