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SII file extension

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

  • What is the .sii file?
  • What program do I need to open a .sii file?
  • How can the .sii file be opened, edited or printed?
  • How can I convert .sii files to another format?
  • Where can I find the specifications for .sii?
  • Which MIME-type is associated with the .sii extension?

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

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

.sii file extension details

18 Wheels of Steel Haulin Truck Data

18 Wheels of Steel Haulin Truck Data .sii file icon
SII file is a 18 Wheels of Steel Haulin Truck Data. 18 Wheels of Steel (sometimes abbreviated as 18 WoS) is a series of trucking simulators published by ValuSoft and developed by SCS Software.
SII format description not yet available
Category: Game Data files
Application: 18 Wheels of Steel
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
SII aliases:
SII related links:
SII related extensions:
ZIP Archive

18 Wheels of Steel Data

18 Wheels of Steel CSC Data

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

.sii file extension error

The .sii file extension is often given incorrectly!

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

cii, sui, sli, sil, si, ii, wii, soi, ski, sik, isi

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Intergraph CAESAR II Data File
Scrambled Wii Disc Image
Motorola Phone Theme Skin
IconWorkshop Extended Information
OMSI Spline Configuration
Web of Science Databases Output
AutoDesk Softimage Document
BiRT Spreadsheet Object Instance File
Silhouette Designer Document
open .sii file

Can't open a .sii 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 .sii file association, check the FAQ.

.sii file extension

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 .sii file extension, write to us!

.sii file extension

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