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S12 file extension

The table below provides useful information about the .s12 file extension. It answers questions such as:

  • What is the .s12 file?
  • What program do I need to open a .s12 file?
  • How can the .s12 file be opened, edited or printed?
  • How can I convert .s12 files to another format?

Table of Contents

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

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

✅ WISO Steuer-Sparbuch 2012 Data

S12 file is a WISO Steuer-Sparbuch 2012 Data. WISO Steuer-Sparbuch 2012 is a German tax savings software developed by Buhl Data Services.
S12 format description not yet available
Category: Data files
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
S12 aliases:
S12 related links:
S12 related extensions:

Other types of files may also use the .s12 file extension.

🚫 The .s12 file extension is often given incorrectly!

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

s1, s1e, s1q, s1w, s2, sl2, sw2, w12, x12

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Sealed Word Document
Stranded 2 Mapfile
Sealed Excel Worksheet
Freescale S-record File
Sealed QuickTime Movie
SPICE Sweep Operations Output Data
Lowrance Sonar Log v2 File
Yamaha SY Series Sample
Softwrap License
EDI X12 Data

🔴 Can't open a .s12 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 .s12 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 .s12 file extension, write to us!

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